@article{10_1017_S0017089509990103,
     author = {WEI, JUNCHAO and LI, LIBIN},
     title = {MC2 {RINGS} {AND} {WQD} {RINGS*}},
     journal = {Glasgow mathematical journal},
     pages = {691--702},
     year = {2009},
     volume = {51},
     number = {3},
     doi = {10.1017/S0017089509990103},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089509990103/}
}