TY - JOUR AU - Alexandre I. Danilenko AU - TI - Isometric extensions, 2-cocycles and ergodicity of skew products JO - Studia Mathematica PY - 1999 SP - 123 EP - 142 VL - 137 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-137-2-123-142/ DO - 10.4064/sm-137-2-123-142 LA - en ID - 10_4064_sm_137_2_123_142 ER -