%0 Journal Article %A Yu. I. Kifer %T On small random perturbations of some smooth dynamical systems %J Izvestiya. Mathematics %D 1974 %P 1083-1107 %V 8 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1974_8_5_a5/ %G en %F IM2_1974_8_5_a5