%0 Journal Article
%A E. G. Lanina
%T Best approximations of functions and approximations by Steklov functions
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 2000
%P 49-52
%N 2
%U http://geodesic.mathdoc.fr/item/VMUMM_2000_2_a12/
%G ru
%F VMUMM_2000_2_a12