@article{10_1017_S001708950000478X,
     author = {Hannah, John},
     title = {Quotient rings of semiprime rings with bounded index},
     journal = {Glasgow mathematical journal},
     pages = {53--64},
     year = {1982},
     volume = {23},
     number = {1},
     doi = {10.1017/S001708950000478X},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S001708950000478X/}
}