@article{AA_1990_2_6_a3,
     author = {V. A. Andrunakievich and Yu. M. Ryabukhin},
     title = {Identities with respect to a~right ideal~$P$ and the ideals of the module~$R/P$},
     journal = {Algebra i analiz},
     pages = {40--68},
     year = {1990},
     volume = {2},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_1990_2_6_a3/}
}