@article{CMUC_2009_50_1_a2,
     author = {Yue Chi Ming, Roger},
     title = {VNR rings, $\Pi$-regular rings and annihilators},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {25--36},
     year = {2009},
     volume = {50},
     number = {1},
     mrnumber = {2562801},
     zbl = {1203.16012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_2009_50_1_a2/}
}