%0 Journal Article
%A J.W. Hogan
%T Hausdorff  topologies on the a-bicyclic semigroup.
%J Semigroup forum
%D 1987
%P 189-210
%V 36
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1987__36_134896/
%F SF_1987__36_134896