TY - JOUR AU - Yu. I. Kifer TI - Some results concerning small stochastic perturbations of dynamical systems. JO - Teoriâ veroâtnostej i ee primeneniâ PY - 1974 SP - 514 EP - 532 VL - 19 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TVP_1974_19_3_a4/ LA - ru ID - TVP_1974_19_3_a4 ER -