%0 Journal Article
%A V. S. Shulman
%T Symmetric Banach algebras of operators in a~space of type $\Pi_1$
%J Sbornik. Mathematics
%D 1972
%P 267-283
%V 18
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1972_18_2_a7/
%G en
%F SM_1972_18_2_a7