%0 Journal Article
%A M. Demlová
%T On factorisations onto the Bicyclic  semigroup.
%J Semigroup forum
%D 1977
%P 103-118
%V 15
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1977__15_134241/
%F SF_1977__15_134241