TY  - JOUR
AU  - P.M. Higgins
TI  - Epis are onto for generalized inverse semigroups.
JO  - Semigroup forum
PY  - 1981
SP  - 255
EP  - 260
VL  - 23
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1981__23_134518/
ID  - SF_1981__23_134518
ER  -