TY  - JOUR
AU  - B. Baird
TI  - The group of units as a maximal inverse subsemigroup.
JO  - Semigroup forum
PY  - 1982
SP  - 381
EP  - 382
VL  - 25
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1982__25_134587/
ID  - SF_1982__25_134587
ER  -