%0 Journal Article
%A Franz-Jürgen Delvos
%A H.-W. Kösters
%T On the Variational Characterization of Bivariate Interpolation Methods.
%J Mathematische Zeitschrift
%D 1975
%P 129-138
%V 145
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1975__145_172276/
%F MZ_1975__145_172276