TY  - JOUR
AU  - N. Kehayopulu
TI  - On regular and intra-regular poe semigroups.
JO  - Semigroup forum
PY  - 1984
SP  - 255
EP  - 257
VL  - 29
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1984__29_134689/
ID  - SF_1984__29_134689
ER  -