%0 Journal Article
%A Kh. M. Khuromonov
%T Exact inequalities between the best polynomial approximations and averaged norms of finite differences in the $B_{2}$ space and widths of some classes of functions
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 2022
%P 61-70
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_2022_3_a6/
%G ru
%F IVM_2022_3_a6