%0 Journal Article
%A J.D. Lawson
%T The earliest semigroup paper?
%J Semigroup forum
%D 1996
%P 55-60
%V 52
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1996__52_3_135433/
%F SF_1996__52_3_135433