TY  - JOUR
AU  - Bogdanović Stojan
TI  - Semigroups in Which some bi-ideal is a group
JO  - Novi Sad Journal of Mathematics
PY  - 1981
SP  - 261
EP  - 266
VL  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/NSJOM_1981_11_Nonea_24/
ID  - NSJOM_1981_11_Nonea_24
ER  -