%0 Journal Article
%A A. S. Belov
%T On upper estimates of the partial sums of a trigonometric series in terms of lower estimates
%J Sbornik. Mathematics
%D 1994
%P 313-330
%V 77
%N 2
%U http://geodesic.mathdoc.fr/item/SM_1994_77_2_a4/
%G en
%F SM_1994_77_2_a4