%0 Journal Article
%A L.M. Wang
%T Ideal nil-extensions of semigroups with semimodular congruence lattices.
%J Semigroup forum
%D 1993
%P 353-358
%V 47
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1993__47_2_135285/
%F SF_1993__47_2_135285