@article{AL_1995_34_1_a0,
     author = {K. I. Beidar and A. V. Mikhalev},
     title = {Generalized polynomial identities and rings that are sums of},
     journal = {Algebra i logika},
     pages = {3--11},
     publisher = {mathdoc},
     volume = {34},
     number = {1},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1995_34_1_a0/}
}