%0 Journal Article
%A D.W. Hardy
%A M.C. Thornton
%T Partial orders and their semigroups of closed relations.
%J Semigroup forum
%D 1982
%P 171-184
%V 25
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1982__25_134571/
%F SF_1982__25_134571