@article{FPM_1996_2_4_a18,
     author = {V. A. Mushrub},
     title = {On the nilpotency of subrings of skew group rings},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {1227--1233},
     publisher = {mathdoc},
     volume = {2},
     number = {4},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_1996_2_4_a18/}
}