%0 Journal Article %A M. L. Blank %T Small perturbations of chaotic dynamical systems %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1989 %P 1-33 %V 44 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1989_44_6_a0/ %G en %F RM_1989_44_6_a0