%0 Journal Article
%A L. N. Shevrin
%T First All-Union Symposium on Semigroup Theory
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1969
%V 24
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1969_24_5_a15/
%G ru
%F RM_1969_24_5_a15