%0 Journal Article
%A U. Knauer
%T Projectivity of acts and Morita equivalence of monoids.
%J Semigroup forum
%D 1971
%P 359-370
%V 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1971__3_133872/
%F SF_1971__3_133872