%0 Journal Article
%A M. R. Langarshoev
%A S. S. Khorazmshoev
%T Sharp inequalities of Jackson-Stechkin type  and   widths of classes of functions in $L_{2}$
%J Ufa mathematical journal
%D 2021
%P 56-67
%V 13
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/UFA_2021_13_1_a4/
%G en
%F UFA_2021_13_1_a4