@article{10_4153_CJM_1982_046_4,
     author = {Levy, Lawrence S. and Smith, Patrick F.},
     title = {Semi-Prime {Rings} {Whose} {Homomorphic} {Images} are {Serial}},
     journal = {Canadian journal of mathematics},
     pages = {691--695},
     year = {1982},
     volume = {34},
     number = {3},
     doi = {10.4153/CJM-1982-046-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1982-046-4/}
}