TY - JOUR AU - M. LemaƄczyk TI - Cohomology groups, multipliers and factors in ergodic theory JO - Studia Mathematica PY - 1997 SP - 275 EP - 288 VL - 122 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-122-3-275-288/ DO - 10.4064/sm-122-3-275-288 LA - en ID - 10_4064_sm_122_3_275_288 ER -