%0 Journal Article
%A K. I. Babenko
%T Approximation of periodic functions of many variables by trigonometric polynomials
%J Doklady Akademii Nauk
%D 1960
%P 247-250
%V 132
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1960_132_2_a0/
%G ru
%F DAN_1960_132_2_a0