%0 Journal Article
%A K.E. Osondu
%T Universal groups on semilattices of reversible cancellative semigroups .
%J Semigroup forum
%D 1991
%P 331-336
%V 43
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1991__43_3_135119/
%F SF_1991__43_3_135119