TY  - JOUR
AU  - Cherubini, Alessandra
AU  - Varisco, Ada
TI  - Semigroups whose proper subsemigroups are duo
JO  - Czechoslovak Mathematical Journal
PY  - 1984
SP  - 630
EP  - 644
VL  - 34
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1984.101989/
DO  - 10.21136/CMJ.1984.101989
LA  - en
ID  - 10_21136_CMJ_1984_101989
ER  -