TY  - JOUR
AU  - Fabrici, Imrich
TI  - Principal two-sided ideals in the direct product of two semigroups
JO  - Czechoslovak Mathematical Journal
PY  - 1991
SP  - 411
EP  - 421
VL  - 41
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1991.102475/
DO  - 10.21136/CMJ.1991.102475
LA  - en
ID  - 10_21136_CMJ_1991_102475
ER  -