%0 Journal Article
%A N. P. Korneichuk
%T Sharp inequalities for best approximation by splines
%J Doklady Akademii Nauk
%D 1978
%P 280-283
%V 242
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1978_242_2_a4/
%G ru
%F DAN_1978_242_2_a4