TY - JOUR AU - Jan Kwiatkowski TI - Factors of ergodic group extensions of rotations JO - Studia Mathematica PY - 1992 SP - 123 EP - 131 VL - 103 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-103-2-123-131/ DO - 10.4064/sm-103-2-123-131 LA - en ID - 10_4064_sm_103_2_123_131 ER -