TY - JOUR AU - A. I. Bufetov TI - Skew products and ergodic theorems for group actions JO - Zapiski Nauchnykh Seminarov POMI PY - 2000 SP - 13 EP - 28 VL - 266 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2000_266_a2/ LA - ru ID - ZNSL_2000_266_a2 ER -