%0 Journal Article
%A F. S. Lisin
%T Problem of mean-square approximation related to the investigation of generators of $l^1$ algebra
%J Matematičeskie zametki
%D 1968
%P 703-706
%V 3
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1968_3_6_a9/
%G ru
%F MZM_1968_3_6_a9