%0 Journal Article
%A Yu. N. Subbotin
%T A~relation between spline approximation and the problem of the approximation of one class by another
%J Matematičeskie zametki
%D 1971
%P 501-510
%V 9
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1971_9_5_a3/
%G ru
%F MZM_1971_9_5_a3