%0 Journal Article
%A M. Petrich
%T The translational hull in semigroups and rings.
%J Semigroup forum
%D 1970
%P 283-360
%V 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1970__1_133804/
%F SF_1970__1_133804