%0 Journal Article
%A V. A. Popov
%A Bl. Kh. Sendov
%T Classes characterized by best-possible approximation by spline functions
%J Matematičeskie zametki
%D 1970
%P 137-148
%V 8
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1970_8_2_a1/
%G ru
%F MZM_1970_8_2_a1