%0 Journal Article
%A M. Demlová
%T On groups of units in a special class of monoids.
%J Semigroup forum
%D 1978
%P 443-454
%V 16
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1978__16_134302/
%F SF_1978__16_134302