%0 Journal Article %A A. I. Bufetov %T Skew products and ergodic theorems for group actions %J Zapiski Nauchnykh Seminarov POMI %D 2000 %P 13-28 %V 266 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2000_266_a2/ %G ru %F ZNSL_2000_266_a2