%0 Journal Article
%A C.C. Edwards
%T The greatest idempotent separating congruence on an ....-unipotent semigroup.
%J Semigroup forum
%D 1977
%P 127-136
%V 14
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1977__14_186361/
%F SF_1977__14_186361