We show that practically all the properties of almost perfect rings, proved by Bazzoni and Salce [Colloq. Math. 95 (2003)] for commutative rings, also hold in the non-commutative setting.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-cm122-2-4,
author = {Alberto Facchini and Catia Parolin},
title = {Rings whose proper factors are right perfect},
journal = {Colloquium Mathematicae},
volume = {122},
year = {2011},
pages = {191-202},
zbl = {1226.16012},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm122-2-4}
}
Alberto Facchini; Catia Parolin. Rings whose proper factors are right perfect. Colloquium Mathematicae, Tome 122 (2011) pp. 191-202. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm122-2-4/