%0 Journal Article
%A L. V. Taikov
%T Best approximations of differentiable functions in the metric of the space~$L_2$
%J Matematičeskie zametki
%D 1977
%P 535-542
%V 22
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1977_22_4_a8/
%G ru
%F MZM_1977_22_4_a8