%0 Journal Article
%A È. M. Galeev
%T Approximation of classes of periodic functions of several variables by nuclear operators
%J Matematičeskie zametki
%D 1990
%P 32-41
%V 47
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1990_47_3_a4/
%G ru
%F MZM_1990_47_3_a4