%0 Journal Article
%A Preston, G. B.
%T Any group is a maximal subgroup of the semigroup of binary relations on some set†
%J Glasgow mathematical journal
%D 1973
%P 21-24
%V 14
%N 1
%U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500001683/
%R 10.1017/S0017089500001683
%F 10_1017_S0017089500001683