%0 Journal Article
%A D.E. Zitarelli
%T Compatible extensions and subdirectly irreducible inverse semigroups.
%J Semigroup forum
%D 1974
%P 241-252
%V 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1974__9_134080/
%F SF_1974__9_134080