%0 Journal Article
%A V. V. Zhuk
%T A modification of the concept of modulus of smoothness and its application to the estimation of Fourier coefficients
%J Doklady Akademii Nauk
%D 1965
%P 758-761
%V 160
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1965_160_4_a4/
%G ru
%F DAN_1965_160_4_a4