TY  - JOUR
AU  - F. Li
TI  - The existence of identity of orthodox semigroup rings.
JO  - Semigroup forum
PY  - 1993
SP  - 27
EP  - 31
VL  - 46
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1993__46_1_135206/
ID  - SF_1993__46_1_135206
ER  -