%0 Journal Article
%A P. L. Ul'yanov
%T Exact Weyl factors for unconditional convergence
%J Doklady Akademii Nauk
%D 1961
%P 1048-1049
%V 141
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1961_141_5_a11/
%G ru
%F DAN_1961_141_5_a11