%0 Journal Article %A A. I. Bufetov %T Ergodic theorems for actions of certain maps %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1999 %P 835-836 %V 54 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1999_54_4_a9/ %G en %F RM_1999_54_4_a9