%0 Journal Article
%A V.V. Demencuk
%T Semigroups of rank 1 (in Russian).
%J Semigroup forum
%D 1974
%P 95-99
%V 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1974__6_133966/
%F SF_1974__6_133966