%0 Journal Article %A Alberto Facchini %A Catia Parolin %T Rings whose proper factors are right perfect %J Colloquium Mathematicum %D 2011 %P 191-202 %V 122 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm122-2-4/ %R 10.4064/cm122-2-4 %G en %F 10_4064_cm122_2_4