%0 Journal Article %A V. T. Markov %T On PI-rings and semiprime rings that have an exact module %J Algebra i logika %D 1997 %P 562-572 %V 36 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1997_36_5_a5/ %G ru %F AL_1997_36_5_a5