@article{AL_1993_32_1_a0,
     author = {K. I. Beidar},
     title = {Classical quotient rings of semiprime {PI-rings}},
     journal = {Algebra i logika},
     pages = {3--16},
     publisher = {mathdoc},
     volume = {32},
     number = {1},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1993_32_1_a0/}
}