TY  - JOUR
AU  - S. Lajos
TI  - A characterezation of regular duo semigroups
JO  - Matematički vesnik
PY  - 1970
SP  - 401 
VL  - 22
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MV_1970_22_3_a19/
ID  - MV_1970_22_3_a19
ER  -