TY  - JOUR
AU  - Fabrici, Imrich
TI  - On Periodic Semigroups with One-Sided Identities
JO  - Mathematica slovaca
PY  - 1969
SP  - 145
EP  - 148
VL  - 19
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MASLO_1969__19_2_a10/
LA  - en
ID  - MASLO_1969__19_2_a10
ER  -