@article{PIM_1989_N_S_45_59_a8,
     author = {Roger Yue Chi Ming},
     title = {On {Regular} {Rings} and {Self-injective} {Rings,} iv},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {65 },
     publisher = {mathdoc},
     volume = {_N_S_45},
     number = {59},
     year = {1989},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PIM_1989_N_S_45_59_a8/}
}