TY  - JOUR
AU  - J. Fountain
TI  - Right PP monoids with central idempotents.
JO  - Semigroup forum
PY  - 1976
SP  - 229
EP  - 238
VL  - 13
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1976__13_134216/
ID  - SF_1976__13_134216
ER  -