@article{10_4064_sm_122_3_275_288,
     author = {M. Lema\'nczyk},
     title = {Cohomology groups, multipliers and factors in ergodic theory},
     journal = {Studia Mathematica},
     pages = {275--288},
     publisher = {mathdoc},
     volume = {122},
     number = {3},
     year = {1997},
     doi = {10.4064/sm-122-3-275-288},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-122-3-275-288/}
}