@article{GDZPPN001255835,
title = {Semigroups whose proper two-sided ideals are power joined.},
journal = {Semigroup forum},
volume = {24},
year = {1982},
pages = {325-330},
zbl = {0498.20047},
url = {http://dml.mathdoc.fr/item/GDZPPN001255835}
}
Nagy, A. Semigroups whose proper two-sided ideals are power joined.. Semigroup forum, Tome 24 (1982) pp. 325-330. http://gdmltest.u-ga.fr/item/GDZPPN001255835/