%0 Journal Article
%A Hall, T. E.
%T On the natural ordering of -classes and of idempotents in a regular semigroup
%J Glasgow mathematical journal
%D 1970
%P 167-168
%V 11
%N 2
%U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500001026/
%R 10.1017/S0017089500001026
%F 10_1017_S0017089500001026