@article{10_4153_CMB_1994_053_6,
     author = {Hirano, Yasuyuki},
     title = {On {Rings} whose {Simple} {Modules} are {Flat}},
     journal = {Canadian mathematical bulletin},
     pages = {361--364},
     year = {1994},
     volume = {37},
     number = {3},
     doi = {10.4153/CMB-1994-053-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1994-053-6/}
}