%0 Journal Article %A B. Kh. Kirshtein %A I. I. Pyatetskii-Shapiro %T Invariant subrings of induced rings %J Izvestiya. Mathematics %D 1970 %P 85-90 %V 4 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1970_4_1_a4/ %G en %F IM2_1970_4_1_a4