%0 Journal Article
%A G.M.S. Gomes
%T The lattice of R-unipotent congruences on a regular semigroup.
%J Semigroup forum
%D 1986
%P 159-174
%V 33
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1986__33_134801/
%F SF_1986__33_134801