%0 Journal Article %A Yu. I. Kifer %T On the limiting behavior of invariant measures of small random perturbations of some smooth dynamical systems %J Doklady Akademii Nauk %D 1974 %P 979-981 %V 216 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1974_216_5_a5/ %G ru %F DAN_1974_216_5_a5