TY  - JOUR
AU  - Petrich, Mario
TI  - On the structure of a class of commutative semigroups
JO  - Czechoslovak Mathematical Journal
PY  - 1964
SP  - 147
EP  - 153
VL  - 14
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1964.100607/
DO  - 10.21136/CMJ.1964.100607
LA  - en
ID  - 10_21136_CMJ_1964_100607
ER  -