TY  - JOUR
AU  - M. Petrich
TI  - Introduction to Semigroups (Book Review by A. H. Clifford).
JO  - Semigroup forum
PY  - 1974
SP  - 88
EP  - 94
VL  - 9
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1974__9_134063/
ID  - SF_1974__9_134063
ER  -