%0 Journal Article
%A M. Petrich
%T Introduction to Semigroups (Book Review by A. H. Clifford).
%J Semigroup forum
%D 1974
%P 88-94
%V 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1974__9_134063/
%F SF_1974__9_134063