TY  - JOUR
AU  - P.S. Venkatesan
TI  - Certain subsemigroups of orthodox semigroups.
JO  - Semigroup forum
PY  - 1985
SP  - 183
EP  - 188
VL  - 32
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1985__32_134778/
ID  - SF_1985__32_134778
ER  -