%0 Journal Article
%A A. L. Dontchev
%T Duality Methods for Constrained Best Interpolation
%J Mathematica balkanica
%D 1987
%P 96
%V 1
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MABA_1987_1_1_a11/
%F MABA_1987_1_1_a11