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/