@article{GDZPPN001253050,
title = {Semilattices of left reversible semigroups.},
journal = {Semigroup forum},
volume = {18},
year = {1979},
pages = {139-152},
zbl = {0402.20047},
url = {http://dml.mathdoc.fr/item/GDZPPN001253050}
}
Osondu, K.E. Semilattices of left reversible semigroups.. Semigroup forum, Tome 18 (1979) pp. 139-152. http://gdmltest.u-ga.fr/item/GDZPPN001253050/