%0 Journal Article %A Riccardo Colpi %A Kent R. Fuller %A Enrico Gregorio %T A class of quasitilted rings that are not tilted %J Colloquium Mathematicum %D 2006 %P 151-156 %V 104 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm104-1-10/ %R 10.4064/cm104-1-10 %G en %F 10_4064_cm104_1_10