%0 Journal Article
%A M. G. Grigoryan
%T On convergence of Fourier series in complete orthonormal systems in the $L^1$-metric and almost everywhere
%J Sbornik. Mathematics
%D 1991
%P 445-466
%V 70
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1991_70_2_a7/
%G en
%F SM_1991_70_2_a7