%0 Journal Article
%A K. Tukhliev
%T On the approximation of periodic functions in $L_2$ and the values of the widths of certain classes of functions
%J Modelirovanie i analiz informacionnyh sistem
%D 2015
%P 127-143
%V 22
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAIS_2015_22_1_a8/
%G ru
%F MAIS_2015_22_1_a8