TY  - JOUR
AU  - K.E. Osondu
TI  - Extensions of homomorphisms of subsemigroups of a group.
JO  - Semigroup forum
PY  - 1977
SP  - 311
EP  - 318
VL  - 15
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1977__15_134262/
ID  - SF_1977__15_134262
ER  -