@article{GDZPPN001265369,
title = {Semigroups and their lattice of congruences II.},
journal = {Semigroup forum},
volume = {54},
year = {1997},
pages = {1-42},
zbl = {0872.20052},
url = {http://dml.mathdoc.fr/item/GDZPPN001265369}
}
Mitsch, H. Semigroups and their lattice of congruences II.. Semigroup forum, Tome 54 (1997) pp. 1-42. http://gdmltest.u-ga.fr/item/GDZPPN001265369/