%0 Journal Article
%A K. I. Babenko
%T Approximation of a certain class of periodical functions of many variables by trigonometric polynomials
%J Doklady Akademii Nauk
%D 1960
%P 982-985
%V 132
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1960_132_5_a2/
%G ru
%F DAN_1960_132_5_a2