%0 Journal Article
%A A. S. Belov
%T On unimprovability of some theorems on convergence in mean of trigonometric series
%J Fundamentalʹnaâ i prikladnaâ matematika
%D 2018
%P 31-49
%V 22
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FPM_2018_22_1_a2/
%G ru
%F FPM_2018_22_1_a2