@article{GDZPPN001255908,
title = {Semigroups in which ... and ... coincide for regular elements.},
journal = {Semigroup forum},
volume = {24},
year = {1982},
pages = {383-385},
zbl = {0499.54032},
url = {http://dml.mathdoc.fr/item/GDZPPN001255908}
}
Magill, J.D. jr. Semigroups in which ... and ... coincide for regular elements.. Semigroup forum, Tome 24 (1982) pp. 383-385. http://gdmltest.u-ga.fr/item/GDZPPN001255908/