%0 Journal Article
%A A. I. Stepanets
%T Classes of periodic functions and the approximation of their
%J Doklady Akademii Nauk
%D 1984
%P 1074-1077
%V 277
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1984_277_5_a11/
%G ru
%F DAN_1984_277_5_a11