@article{00591052,
title = {Idempotent separating congruences on an orthodox semigroup via the least inverse congruence.},
journal = {Publications de l'Institut Math\'ematique. Nouvelle S\'erie},
volume = {53(67)},
year = {1993},
pages = {45-51},
zbl = {0799.20058},
language = {en},
url = {http://dml.mathdoc.fr/item/00591052}
}
Krgović, Dragica N. Idempotent separating congruences on an orthodox semigroup via the least inverse congruence.. Publications de l'Institut Mathématique. Nouvelle Série, Tome 53(67) (1993) pp. 45-51. http://gdmltest.u-ga.fr/item/00591052/