%0 Journal Article
%A V. N. Temlyakov
%T On the widths of function classes
%J Doklady Akademii Nauk
%D 1987
%P 1069-1072
%V 294
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1987_294_5_a10/
%G ru
%F DAN_1987_294_5_a10