%0 Journal Article %A A. D. Venttsel' %A M. I. Freidlin %T The limiting behavior of the invariant measure under small perturbations of a dynamical system %J Doklady Akademii Nauk %D 1969 %P 13-16 %V 188 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_188_1_a1/ %G ru %F DAN_1969_188_1_a1