@article{GDZPPN001248804,
title = {On a sublattice- of the lattice of congruences on a 0-regular semigroup.},
journal = {Semigroup forum},
volume = {4},
year = {1972},
pages = {228-235},
zbl = {0265.20059},
url = {http://dml.mathdoc.fr/item/GDZPPN001248804}
}
Baird, G.R. On a sublattice- of the lattice of congruences on a 0-regular semigroup.. Semigroup forum, Tome 4 (1972) pp. 228-235. http://gdmltest.u-ga.fr/item/GDZPPN001248804/