@article{10_4064_cm104_1_10,
     author = {Riccardo Colpi and Kent R. Fuller and Enrico Gregorio},
     title = {A class of quasitilted rings that are not tilted},
     journal = {Colloquium Mathematicum},
     pages = {151--156},
     publisher = {mathdoc},
     volume = {104},
     number = {1},
     year = {2006},
     doi = {10.4064/cm104-1-10},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm104-1-10/}
}