%%%% definitions used
\def\openR{{{\rm I}\kern-.16em {\rm R}}}
\def\RR{\openR} % the reals
\def\RAIROAN{Rev.\ Fran\c caise Automat.\ Informat.\ Rech.
\ Op\'er., Anal.\ Numer.}
%%%% end of definitions used

\centerline{\bf List of references for multivariate polynomial interpolation}
\bigskip

Abouir, J., and A. Cuyt\ (1993),
``Multivariate partial Newton-Pad\'e and Newton-Pad\'e type approximants'',
{\it J. Approx.\ Theory\/} {\bf 72}, 301--316.

Ahlin, A. C.\ (1964),
``A bivariate generalization of Hermite's interpolation formula'',
{\it Math.\ Comp.\/} {\bf 18(86)}, 264--273.

Akima, H.\ (1974),
``Bivariate interpolation and smooth surface fitting based on local procedures'',
{\it Commun.\ ACM\/} {\bf 17}, 26--31.

Akima, H.\ (1974),
``A method of bivariate interpolation and smooth surface fitting based on local procedures'',
{\it Commun.\ ACM\/} {\bf 17}, 18--20.

Akima, H.\ (1978),
``Algorithm 526: bivariate interpolation and smooth fitting for irregularly distributed data points'',
{\it ACM Trans.\ Math.\ Software\/} {\bf 4}, 160--164.

Akima, H.\ (1978),
``A method of bivariate interpolation and smooth surface fitting for irregularly distributed data points'',
{\it ACM Trans.\ Math.\ Software\/} {\bf 4}, 144--159.

Akima, H.\ (1984),
``On estimating partial derivatives for bivariate interpolation of scattered data'',
{\it Rocky Mountain J. Math.\/} {\bf 14}, 41--52.

Alfeld, P.\ (1985),
``Multivariate perpendicular interpolation'',
{\it SIAM J. Numer.\ Anal.\/} {\bf 22}, 95--106.

Arcangeli, R., and J. L. Gout\ (1976),
``Sur l'evaluation de l'erreur d'interpolation de Lagrange dans un ouvert de 
$\RR ^n$'',
{\it \RAIROAN} {\bf 10(3)}, 5--27.

Bamberger, L.\ (1985),
``Interpolation in bivariate spline spaces'',
in {\it Multivariate Approximation Theory III, ISNM 73\/} (W. Schempp and K. Zeller, eds),
 Birk\-h\"auser (Basel), 25--34.

Barnhill, R. E., and J. A. Gregory\ (1975),
``Polynomial interpolation to boundary data on triangles'',
{\it Math.\ Comp.\/} {\bf 29(131)}, 726--735.

Barnhill, R. E., and J. R. Whiteman\ (1975),
``Error analysis of finite element methods with triangles for elliptic boundary value problems'',
in {\it Mathematics of Finite Elements and Applications\/} (J. Whiteman, ed),
 Academic Press (London), 83--112.

Barnhill, R. E., and J. A. Wixom\ (1969),
``An error analysis for the bivariate interpolation of analytic functions'',
{\it SIAM J. Numer.\ Anal.\/} {\bf 6}, 450--457.

Baszenski, G., and F.-J. Delvos\ (1986),
``Boolean algebra and multivariate interpolation'', Bochum.

Baszenski, G., F. J. Delvos, and H. Posdorf\ (1979),
``Boolean methods in bivariate reduced Hermite interpolation'',
in {\it Multivariate Approximation Theory\/} (W. Schempp and K. Zeller, eds),
 Birk\-h\"auser (Basel), 47--58.

Baszenski, G., F. J. Delvos, and H. Posdorf\ (1980),
``Representation formulas for conforming bivariate interpolation'',
in {\it Approximation Theory III\/} (E. W. Cheney, ed),
 Academic Press (New York), 193--198.

Bazeley, G. P., Y. K. Cheung, B. M. Irons, and O. C. Zienkiewicz\ (1966),
``Triangular elements in plate bending, conforming and nonconforming solutions'',
in {\it Proc.\ 1st Conf.\ Matrix Methods in Structure Mechanics, AFFDL-TR-CC--80\/} (xxx, ed),
 Wright Patterson A.F. Base (Ohio), 547--576.

Ben-Or, ?., and Prasoon Tiwari\ (1988),
``A deterministic algorithm for sparse multivariate polynomial interpolation'',
{\it STOC-88\/} {\bf }, 301--309.

Binev, P. G., and K. Jetter\ (1992),
``Estimating the condition number for multivariate interpolation problems'',
in {\it Numerical Methods in Approximation Theory, ISNM 105\/} (D. Braess, L.L. Schumaker, ed),
 Birk\-h\"auser (Basel), 39--50.

Birkhoff, G.\ (1979),
``The algebra of multivariate interpolation'',
in {\it Constructive approaches to mathematical models\/} (C. V. Coffman and G. J. Fix, eds),
 Academic Press (New York), 345--363.

Blaga, P., and G. Coman\ (1981),
``Multivariate interpolation formulas of Birkhoff type'',
{\it Studia Univ.\ Babes-Bolyai, Ser.\ Math.\/} {\bf XX}, 14--22.

Bojanov, B. D., H. A. Hakopian, and A. A. Sahakian\ (1993),
{\it Spline Functions and Multivariate Interpolations\/}, Kluwer Academic Publishers (Dordrecht, The Netherlands).

Boor, C. de\ (1992),
``On the error in multivariate polynomial interpolation'',
{\it Applied Numerical Mathematics\/} {\bf 10}, 297--305.

Boor, C. de, K. H\"ollig, and S. Riemenschneider\ (1983),
``Bivariate cardinal interpolation'',
in {\it Approximation Theory IV\/} (C. Chui, L. Schumaker, and J. Ward, eds),
 Academic Press (New York), 359--363.

Boor, C. de, K. H\"ollig, and S. D. Riemenschneider\ (1984),
``On bivariate cardinal interpolation'',
in {\it Constructive Theory of Functions '84\/} (B. Sendov, P. Petrushev, R. Maleev, and S. Tashev, eds),
 Bulgarian Academy of Sciences (Sofia), 254--259.

Boor, C. de, K. H\"ollig, and S. Riemenschneider\ (1985),
``Bivariate cardinal interpolation by splines on a three-direction mesh'',
{\it Illinois J. Math.\/} {\bf 29}, 533--566.

Boor, C. de, K. H\"ollig, and S. Riemenschneider\ (1985),
``Convergence of bivariate cardinal interpolation'',
{\it Constr.\ Approx.\/} {\bf 1}, 183--193.

Boor, C. de, K. H\"ollig, and S. D. Riemenschneider\ (1984),
``On bivariate cardinal interpolation'',
in {\it Constructive Theory of Functions '84\/} (B. Sendov, P. Petrushev, R. Maleev, and S. Tashev, eds),
 Bulgarian Academy of Sciences (Sofia), 254--259.

Boor, C. de, and A. Ron\ (1990),
``On multivariate polynomial interpolation'',
{\it Constr.\ Approx.\/} {\bf 6}, 287--302.

Bos, L.\ (1983),
``On Kergin interpolation in the disk'',
{\it J. Approx.\ Theory\/} {\bf 37}, 251--261.

Buhmann, M. D.\ (1990),
``Multivariate interpolation in odd-dimensional Euclidean spaces using multiquadrics'',
{\it Constr.\ Approx.\/} {\bf 6}, 21--34.

Buhmann, M. D.\ (1990),
``Multivariate cardinal interpolation with radial-basis functions'',
{\it Constr.\ Approx.\/} {\bf 6}, 225--255.

Carlson, R. E.\ (xx),
``A bivariate interpolation algorithm for scattered data'',
{\it Rocky Mountain J. Math.\/} {\bf xx}, xx.

Carlson, R. E., and F. N. Fritsch\ (1991),
``A bivariate interpolation algorithm for data which are monotone in one variable'',
{\it SIAM J. Sci.\ Statist.\ Comput.\/} {\bf 12}, 859--866.

Cavaretta, A. S., T. N. T. Goodman, C. A. Micchelli, and A. Sharma\ (1983),
``Multivariate interpolation and the Radon transform: III. Lagrange representation'',
in {\it Second Edmonton Conference on Approximation Theory\/} (Z. Ditzian, A. Meir, S. Riemenschneider, and A. Sharma, eds),
 American Mathematical Society (Providence), 37--50.

Cavaretta, A. S., C. A. Micchelli, and A. Sharma\ (1980),
``Multivariate interpolation and the Radon transform'',
{\it Math.\ Z.\/} {\bf 174}, 263--279.

Cavaretta, A. S., C. A. Micchelli, and A. Sharma\ (1980),
``Multivariate interpolation and the Radon transform: II. Some further examples'',
in {\it Quantitative Approximation\/} (R. DeVore and K. Scherer, eds),
 Academic Press (New York), 49--61.

Cavaretta, A. S., C. A. Micchelli, and A. Sharma\ (1983),
``Multivariate interpolation and the Radon transform.\ Part III Lagrange representation'',
{\it Can.\ Math.\ Soc.\ Conf.\ Proc.\/} {\bf 3}, 37--50.

Chui, C. K., and H. Diamond\ (1987),
``A natural formulation of quasi-interpolation by multivariate splines'',
{\it Proc.\ Amer.\ Math.\ Soc.\/} {\bf 99}, 643--646.

Chui, Charles K., and Harvey Diamond\ (1990),
``A characterization of multivariate quasi-interpolation formulas and its applications'',
{\it Numer.\ Math.\/} {\bf 57}, 105--121.

Chui, Charles K., Harvey Diamond, and Louise A. Raphael\ (1988),
``Interpolation by multivariate splines'',
{\it Math.\ Comp.\/} {\bf 51(183)}, 203--218.

Chui, C. K., H. Diamond, and L. A. Raphael\ (XX),
``Interpolation by bivariate quadratic splines on nonuniform rectangles'',
{\it Trans.\ Fourth Army Conf.\ Appl.\ Math.\ Comp\/} {\bf XX}, XX.

Chui, C. K., and Tian-Xiao He\ (1987),
``On the location of sample points in $C^1$ quadratic bivariate spline interpolation'',
in {\it Numerical Methods in Approximation Theory Vol.\ 8, ISNM 81\/} (L. Collatz, G. Meinardus and G. N\"urnberger, eds),
 Birkh\"auser (Basel), 30--42.

Chui, Charles K., and Tian-Xiao He\ (1990),
``Bivariate $C^1$ quadratic finite elements and vertex splines'',
{\it Math.\ Comp.\/} {\bf 54(189)}, 169--187.

Chui, C. K., Tian-Xiao He, and Ren-Hong Wang\ (1987),
``Interpolation by bivariate linear splines'',
in {\it Alfred Haar Memorial Conference\/} (J. Szabados and K. Tandori, eds),
 North-Holland (Amsterdam), 247--255.

Chui, Charles K., K. Jetter, and J. D. Ward\ (1987),
``Cardinal interpolation by multivariate splines'',
{\it Math.\ Comp.\/} {\bf 48(178)}, 711--724.

Chui, C. K., and M.-J. Lai\ (1987),
``A multivariate analog of Marsden's identity and a quasi-interpolation scheme'',
{\it Constr.\ Approx.\/} {\bf 3}, 111--122.

Chui, C. K., J. St\"ockler, and J. D. Ward\ (1989),
``Bivariate cardinal interpolation with a shifted box-spline on a three-directional mesh'', CAT Report 188, Texas A\&M University.

Ciarlet, P., and C. Wagschal\ (1971),
``xxx'',
{\it Numer.\ Math.\/} {\bf 17}, 84--100.

Costantini, P., and F. Fontanella\ (1990),
``Shape preserving bivariate interpolation'',
{\it SIAM J. Numer.\ Anal.\/} {\bf 27}, 488--506.

D{\ae }hlen, M.\ (1987),
``An example of bivariate interpolation with translates of $C^0$-quadratic box-splines on a three direction mesh'',
{\it Comput.\ Aided Geom.\ Design\/} {\bf 4}, 251--255.

D{\ae }hlen, Morten, and Tom Lyche\ (1988),
``Bivariate interpolation with quadratic box splines'',
{\it Math.\ Comp.\/} {\bf 51(183)}, 219--230.

Delvos, F. J.\ (1979),
``Boolean bivariate Lagrange interpolation'',
{\it Computing\/} {\bf 22}, 311--323.

Delvos, F. J.\ (1984),
``On bivariate Hermite trigonometric interpolation'',
in {\it Constructive Theory of Functions '84\/} (B. Sendov, P. Petrushev, R. Maleev, and S. Tashev, eds),
 Bulgarian Academy of Sciences (Sofia), 266--272.

Delvos, F. J., and H. W. K\"osters\ (1975),
``On the variational characterization of bivariate interpolation methods'',
{\it Math.\ Z.\/} {\bf 145}, 129--137.

Delvos, F. J., and H. Posdorf\ (1980),
``A Boolean method in bivariate interpolation'',
{\it Anal.\ Numer.\ Th.\ Approx.\/} {\bf 9}, 35--45.

Delvos, F. J., H. Posdorf, and W. Schempp\ (1978),
``Serendipity type bivariate interpolation'',
in {\it Multivariate Approximation\/} (D. C. Handscomb, ed),
 Academic Press (London), 47--56.

Dimitrov, D. K.\ (xxx),
``Hermite interpolation by bivariate continuous super splines'', Bulgarian Acad.\ of Sciences.

Dodd, S. L., David F. McAllister, and John A. Roulier\ (1983),
``Shape-preserving spline interpolation for specifying bivariate functions on grids'',
{\it IEEE Comp.\ Graph.\ Appl.\/} {\bf 3(7)}, 70--79.

Dyn, N., and A. Ron\ (1990),
``On multivariate polynomial interpolation'',
in {\it Algorithms for Approximation II\/} (M. G. Cox and J. C. Mason, eds),
 Chapman \& Hall (London), 177--184.

Dyn, N., and A. Ron\ (1990),
``Local approximation by certain spaces of multivariate exponential-polynomials, approximation order of exponential box splines and related interpolation problems'',
{\it Trans.\ Amer.\ Math.\ Soc.\/} {\bf 319}, 381--403.

Ewald, S., H. M\"uhlig, and B. Mulansky\ (19xx),
``Bivariate interpolating and smoothing tensor produce splines'', proceedings 55--68.

Farwig, R.\ (1984),
``Multivariate interpolation of arbitrarily spaced data by moving least squares methods'', Rpt.\ 676, Univ.\ Bonn.

Farwig, Reinhard\ (1986),
``Rate of convergence of Shepard's global interpolation formula'',
{\it Math.\ Comp.\/} {\bf 46(174)}, 577--590.

Foley, T. A.\ (1979),
``Smooth multivariate interpolation to scattered data'',
dissertation, Arizona State Univ..

Foley, T. A.\ (1983),
``Full Hermite interpolation to multivariate scattered data'',
in {\it Approximation Theory IV\/} (C. Chui, L. Schumaker, and J. Ward, eds),
 Academic Press (New York), 465--470.

Foley, T. A., and G. M. Nielson\ (1980),
``Multivariate interpolation to scattered data using delta iteration'',
in {\it Approximation Theory III\/} (E. W. Cheney, ed),
 Academic Press (New York), 419--424.

Franke, R.\ (1991),
``Sensitivity of the error in multivariate statistical interpolation to parameter values'',
{\it Monthly Weather Review\/} {\bf 119}, 815--832.

Gao, Junbin\ (1988),
``Multivariate quasi-Newton interpolation'',
{\it J. Math.\ Res.\ Exposition\/} {\bf 8(3)}, 447--453.

Gao, J.\ (xxx),
``Interpolation and approximation by bivariate splines of $S_3^1(\Delta _{mn}^{(1)})$'', Wuhan Univ., China.

Gao, Junbin\ (1992),
``A remark on multivariate polynomial interpolations'', Research Report No.\ 7, Wuhan University.

Gao, Junbin\ (1993),
``Interpolation methods for the construction of shape function space of nonconforming finite elements'', preprint, Huazhong U. of Science and Technology (Wuhan, PRC).

Gasca, M.\ (1990),
``Multivariate polynomial interpolation'',
in {\it Computation of Curves and Surfaces\/} (W. Dahmen, M. Gasca and C. Micchelli, eds),
 Kluwer (Dordrecht, Netherlands), 215--236.

Gasca, M., and A. Lopez-Carmona\ (1982),
``A general recurrence interpolation formula and its applications to multivariate interpolation'',
{\it J. Approx.\ Theory\/} {\bf 34}, 361--374.

Gasca, M., and J. J. Martinez\ (1992),
``Bivariate Hermite-Birkhoff interpolation and Vandermonde determinants'',
{\it Numer.\ Algorithms\/} {\bf 3}, 193--199.

Gasca, M., and J. J. Martinez\ (1993),
``Bivariate Hermite-Birkhoff interpolation and Vandermonde determinants'',
{\it Numerical Algorithms\/} {\bf 3}, xxx--xxx.

Gasca, M., and G. M\"uhlbach\ (1992),
``Multivariate polynomial interpolation under projectivities II: Neville-Aitken formulas'',
{\it Numer.\ Algorithms\/} {\bf 2}, 255--277.

Hakopian, A. A., O. V. Gevorgyan, and A. A. Saakyan\ (1990),
``On bivariate Hermite interpolation'',
{\it Matem.\ Zametki\/} {\bf 48}, 137--139.

Hakopiyan, A. A., O. V. Gevorgian, and A. A. Saakyan\ (1992),
``On bivariate polynomial interpolation (in Russian)'',
{\it Math.\ Sbornik\/} {\bf 183}, 111--126.

Gmelig-Meyling, R. H. J.\ (1987),
``On interpolation by bivariate quintic splines on class $C^2$'',
in {\it SPMTb\/} (xxx, ed),
 xxx (xxx), 152--161.

Gmelig-Meyling, R. H. J.\ (1990),
``Smooth interpolation to scattered data by bivariate piecewise polynomials of odd degree'',
{\it Comput.\ Aided Geom.\ Design\/} {\bf 7}, 439--458.

Gmelig-Meyling, R. H. J. G.\ (1987),
``On interpolation by bivariate quintic splines of class $C^2$'',
in {\it Constructive Theory of Functions '87\/} (B. Sendov, P. Petrushev, K. Ivanov, and R. Maleev, eds),
 Bulgarian Academy of Sciences (Sofia), 152--161.

Gmelig-Meyling, R. H. J., and P. Pfluger\ (7),
``Smooth interpolation to scattered data by bivariate piecewise polynomials of odd degree'', Comput.\ Aided Geom.\ Design.

Goodman, T. N. T.\ (1983),
``Interpolation in minimum semi-norm and multivariate B-splines'',
{\it J. Approx.\ Theory\/} {\bf 37}, 212--223.

Gordon, W. J.\ (1971),
``Blending-function methods of bivariate and multivariate interpolation and approximation'',
{\it SIAM J. Numer.\ Anal.\/} {\bf 8}, 158--177.

Gordon, W. J., and E. W. Cheney\ (1977),
``Bivariate and multivariate interpolation with noncommutative projectors'',
in {\it Linear Spaces and Approximation\/} (P. L. Butzer and B. Sz-Nagy, eds),
 Birkh\"auser (Basel), 381--387.

Gordon, William J., and James A. Wixom\ (1978),
``Shepard's method of ``metric interpolation ''to bivariate and multivariate interpolation'',
{\it Math.\ Comp.\/} {\bf 32(141)}, 253--264.

Guan, L\"utai, and Yuesheng Li\ (1989),
``Multivariate polynomial natural spline interpolation to scattered data'',
in {\it Approximation Theory VI\/} (C. Chui, L. Schumaker, and J. Ward, eds),
 Academic Press (New York), 311--314.

Hack, F.\ (1987),
``On bivariate Birkhoff interpolation'',
{\it J. Approx.\ Theory\/} {\bf 49}, 18--30.

Hakopian, H.\ (1981),
``Les diff\'erences dives\'ees de plusieurs variables et les interpolations multidimensionelles de types lagrangien et hermitien'',
{\it C. R. Acad.\ Sci.\ Paris\/} {\bf 292}, 453--456.

Hakopian, Hakop A.\ (1982),
``Multivariate divided differences and multivariate interpolation of Lagrange and Hermite type'',
{\it J. Approx.\ Theory\/} {\bf 34}, 286--305.

Hakopian, Hakop\ (1982),
``Multivariate spline functions, B-spline basis and polynomial interpolations'',
{\it SIAM J. Numer.\ Anal.\/} {\bf 18}, 510--517.

Hakopian, H.\ (1983),
``On fundamental polynomials of multivariate interpolation I of Lagrange and Hermite type'',
{\it Bull.\ Pol.\ Acad.\ Sci., Math.\/} {\bf 31(3-4)}, 137--141.

Hakopian, Hakop\ (1983),
``Integral remainder formula of the tensor product interpolation'',
{\it Bull.\ Pol.\ Acad.\ Sci., Math.\/} {\bf 31(5-8)}, 267--272.

Hakopian, H.\ (1983),
``Duality of multivariate polynomial interpolation (in Russian)'',
in {\it Internat.\ Conf.\ Approx.\ Theory\/} (xxx, ed),
 (Kiev), 8--10.

Hakopian, Hakop\ (1984),
``On multivariate spline functions, B-spline bases and polynomial interpolation II'',
{\it Studia Math.\/} {\bf 79}, 91--102.

Hakopian, H.\ (1984),
``Multivariate interpolation II of Lagrange and Hermite type'',
{\it Studia Math.\/} {\bf 80}, 77--88.

Hakopian, H.\ (1985),
``Interpolation by polynomials and natural splines on normal lattices'',
in {\it Multivariate Approximation Theory III, ISNM 73\/} (W. Schempp and K. Zeller, eds),
 Birk\-h\"auser (Basel), 218--220.

Akopyan, A. A., and A. A. Saakyan\ (1994),
``Multivariate splines and polynomial interpolations'',
{\it Uspekhi Mat.\ Nauk\/} {\bf xxx}, xxx--xxx.

Handscomb, D. C.\ (1991),
``Interpolation and differentiation of multivariate functions and interpolation of divergence free vector fields using surface splines'', Report 91/5, Oxford University Computing Laboratory, Numerical Analysis Group, 11 Keble Road (Oxford OX1 3QD).

Haussmann, W.\ (1979),
``On a multivariate Rolle type theorem and the interpolation remainder formula'',
in {\it Multivariate Approximation Theory\/} (W. Schempp and K. Zeller, eds),
 Birk\-h\"auser (Basel), 137--145.

Haussmann, W., and P. Pottinger\ (1977),
``On the construction and convergence of multivariate interpolation operators'',
{\it J. Approx.\ Theory\/} {\bf 19}, 205--221.

H\"ollig, K., M. J. Marsden, and S. D. Riemenschneider\ (1989),
``Bivariate cardinal interpolation on the 3-direction mesh: $\ell ^p$-data'',
{\it Rocky Mountain J. Math.\/} {\bf 19}, 189--198.

Jetter, K.\ (1983),
``Some contributions to bivariate interpolation and cubature'',
in {\it Approximation Theory IV\/} (C. Chui, L. Schumaker, and J. Ward, eds),
 Academic Press (New York), 533--538.

Jetter, K.\ (1992),
``Multivariate approximation from the cardinal interpolation point of view'',
in {\it Approximation Theory VII\/} (E. W. Cheney, C. Chui, and L. Schumaker, eds),
 Academic Press (New York), 131--161.

Jia, Rong-Qing\ (1986),
``Extension of Kergin interpolation operators'',
{\it Ke Xue Tong Bao\/} {\bf 31}, 805--808.

Jia, Rong-Qing, and A. Sharma\ (1991),
``Solvability of some multivariate interpolation problems'',
{\it J. reine angew.\ Math.\/} {\bf 421}, 73--81.

Jin, G. R., and Xue-Zhang Liang\ (1992),
``On convergence of Hakopian interpolation'',
in {\it Proceedings of a Symposium of the Mathematical Sciences, dedicated to the 40th Anniversary of the Founding of the Department of Mathematics\/} (xxx, ed),
 Jilin University (in Changchun, China), 278--280.

Kazno, H., and J. Ninomiys\ (1978),
``An algorithm and error analysis of bivariate interpolating splines'',
{\it Dzexo.\ Cepn.\/} {\bf 19}, 196--203.

Kergin, P.\ (1978),
``Interpolation of $C^k$ Functions'',
dissertation, University of Toronto, Canada.

Kergin, P.\ (1980),
``A natural interpolation of $C^k$ functions'',
{\it J. Approx.\ Theory\/} {\bf 29}, 278--293.

Lai, M.-J.\ (1991),
``On fundamental solutions for multivariate singular interpolation'', Univ.\ of Utah.

Lai, Mingjun, and Xinghua Wang\ (1984),
``A note to the remainder of a multivariate interpolation polynomial'',
{\it Approx.\ Theory Appl.\/} {\bf 1(1)}, 57--63.

Lascaux, P., and P. Lesaint\ (1975),
``Some nonconforming finite elements for plate bending problems'',
{\it \RAIROAN} {\bf 9}, 9--53.

Liang, Xhuezhang\ (1979),
``Properly posed nodes for bivariate interpolation and the superposed interpolation (Chinese)'',
{\it Jilin Daxue Xuebao, J.\ Jilin University (Natural Sciences)\/} {\bf 1}, 27--32.

Liang, X. Z.\ (1985),
``On Hakopian interpolation in the disk'', Jilin.

Liang, Xue-Zhang\ (1986),
``On Hakopian interpolation in the disk'',
{\it Approx.\ Theory Appl.\/} {\bf 1}, 37--45.

Liang, X. Z.\ (1986),
``Kergin-interpolation at the points which are zeros of the bivariate polynomial of least deviation from zero on the disk (Chinese)'',
{\it Dongbei Shida Xueboa, (Ziran Kexue Ban), J. Northeast Normal U. of Natural Sciences, Changchun\/} {\bf 2}, 408--414.

Liang, Xue-Zhang\ (1989),
``Lagrange representation of multivariate interpolation'',
{\it Science in China (Ser.\ a)\/} {\bf 4}, 385--396.

Liang, Xue-Zhang, and L. Q. Li\ (1991),
``On bivariate osculatory interpolation'',
{\it J. Comput.\ Appl.\ Math.\/} {\bf 38}, 271--282.

Liang, Xue-Zhang, and Y. M. Ye\ (1986),
``On Kergin interpolation at the points which are zeros of the bivariate polynomial of least deviation from zero on the disk'',
{\it Northeastern Math.\ J.\/} {\bf 4}, 409--414.

Lorenc, A. C.\ (1981),
``A global three dimensional multivariate statistical interpolation scheme'',
{\it Mon.\ Wea.\ Rev.\/} {\bf 109}, 701--721.

Lorentz, G. G.\ (1987),
``On the determinant of a bivariate Birkhoff interpolation problem'',
in {\it Algorithms for the Approximation of Functions and Data\/} (J. C. Mason and M. G. Cox, eds),
 Oxford Univ.\ Press (Oxford), 169--179.

Lorentz, G. G.\ (1989),
``Solvability of multivariate interpolation'',
{\it J. reine angew.\ Math.\/} {\bf 398}, 101--104.

Lorentz, G. G.\ (1990),
``Uniform bivariate Hermite interpolation I: Coordinate degree'',
{\it Math.\ Z.\/} {\bf 203}, 193--210.

Lorentz, G. G., and R. A. Lorentz\ (1985),
``Multivariate interpolation'',
in {\it Rational Approximation and interpolation\/} (P. R. Graves-Morris {\sl et al}, eds),
 Lecture Notes in Math.\ 1105, Springer-Verlag (Berlin), 136--144.

Lorentz, G. G., and R. A. Lorentz\ (1986),
``Three papers on bivariate Birkhoff interpolation'', GMD.

Lorentz, G. G., and R. A. Lorentz\ (1986),
``Solvability problems of bivariate interpolation I'',
{\it Constr.\ Approx.\/} {\bf 2}, 153--169.

Lorentz, G. G., and R. A. Lorentz\ (1987),
``Solvability of bivariate interpolation, II: Applications'',
{\it Approx.\ Theory Appl.\/} {\bf 3}, 79--97.

Lorentz, G. G., and R. A. Lorentz\ (1990),
``Bivariate Hermite interpolation and applications to algebraic geometry'',
{\it Numer.\ Math.\/} {\bf 57}, 669--690.

Lorentz, R. A.\ (1984),
``Some regular problems of bivariate interpolation'',
in {\it Constructive Theory of Functions '84\/} (B. Sendov, P. Petrushev, R. Maleev, and S. Tashev, eds),
 Bulgarian Academy of Sciences (Sofia), 549--562.

Lorentz, R. A.\ (1988),
``Uniform bivariate Hermite interpolation I: Coordinate degree'', GMD.

Lorentz, R. A.\ (1988),
``Uniform bivariate Hermite interpolation II: Total degree'', GMD.

Lorentz, R. A.\ (1992),
{\it Multivariate Birkhoff Interpolation\/}, Lecture Notes in Mathematics, No.\ 1516, Springer Verlag (Heidelberg).

Madych, W. R., and S. A. Nelson\ (1983),
``Multivariate interpolation: a variational theory'', unpublished mansucript.

Madych, W. R., and S. A. Nelson\ (1988),
``Multivariate interpolation and conditionally positive definite functions'',
{\it Approx.\ Theory Appl.\/} {\bf 4}, 77--89.

Madych, W. R., and S. A. Nelson\ (1990),
``Multivariate interpolation and conditionally positive definite functions.II'',
{\it Math.\ Comp.\/} {\bf 54(189)}, 211--230.

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