%0 Journal Article
%A R. McFadden
%A J.M. Howie
%T Ideals are greater on the left.
%J Semigroup forum
%D 1990
%P 247-248
%V 40
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1990__40_1_135023/
%F SF_1990__40_1_135023