TY  - JOUR
AU  - J.R. Gard
TI  - Semigroups all but one of whose proper subsemigroups are groups.
JO  - Semigroup forum
PY  - 1975
SP  - 215
EP  - 219
VL  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1975__10_134113/
ID  - SF_1975__10_134113
ER  -