%0 Journal Article %A V. N. Temlyakov %T On estimates for the widths of classes of infinitely differentiable functions %J Matematičeskie zametki %D 1990 %P 155-157 %V 47 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1990_47_5_a22/ %G ru %F MZM_1990_47_5_a22