TY  - JOUR
AU  - C.L. Adair
TI  - A generalization of the bicyclic semigroup.
JO  - Semigroup forum
PY  - 1980
SP  - 13
EP  - 26
VL  - 21
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1980__21_134433/
ID  - SF_1980__21_134433
ER  -