TY  - JOUR
AU  - Satyanarayana, M.
TI  - On commutative semigroups which are unions of a finite number of principal ideals
JO  - Czechoslovak Mathematical Journal
PY  - 1977
SP  - 61
EP  - 68
VL  - 27
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1977.101446/
DO  - 10.21136/CMJ.1977.101446
LA  - en
ID  - 10_21136_CMJ_1977_101446
ER  -