%0 Journal Article
%A B.M. Schein
%T Minimal group congruences need not be smallest.
%J Semigroup forum
%D 1972
%P 273-276
%V 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1972__5_133946/
%F SF_1972__5_133946