%0 Journal Article
%A A. I. Rubinshtein
%T On Best Convergence of Series in the Systems $\varphi(nx)$
%J Matematičeskie zametki
%D 2015
%P 565-569
%V 98
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_2015_98_4_a6/
%G ru
%F MZM_2015_98_4_a6