@article{AL_1997_36_5_a5,
     author = {V. T. Markov},
     title = {On {PI-rings} and semiprime rings that have an exact module
},
     journal = {Algebra i logika},
     pages = {562--572},
     publisher = {mathdoc},
     volume = {36},
     number = {5},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1997_36_5_a5/}
}