%0 Journal Article
%A A. S. Belov
%T Partial sums of a trigonometric series with convex coefficients
%J Matematičeskie zametki
%D 1991
%P 21-27
%V 50
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1991_50_4_a2/
%G ru
%F MZM_1991_50_4_a2