@article{10_4153_CMB_2002_047_7,
     author = {Zhou, Yiqiang},
     title = {Erratum: {A} {Characterization} of {Left} {Perfect} {Rings}},
     journal = {Canadian mathematical bulletin},
     pages = {448--448},
     year = {2002},
     volume = {45},
     number = {3},
     doi = {10.4153/CMB-2002-047-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2002-047-7/}
}