TY  - JOUR
AU  - Petrich, Mario
TI  - The congruence lattice of an ideal extension of semigroups
JO  - Glasgow mathematical journal
PY  - 1993
SP  - 39
EP  - 50
VL  - 35
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.1017/S001708950000954X/
DO  - 10.1017/S001708950000954X
ID  - 10_1017_S001708950000954X
ER  -