@article{IM2_1970_4_1_a4,
     author = {B. Kh. Kirshtein and I. I. Pyatetskii-Shapiro},
     title = {Invariant subrings of induced rings},
     journal = {Izvestiya. Mathematics},
     pages = {85--90},
     year = {1970},
     volume = {4},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1970_4_1_a4/}
}