@article{10_4064_sm_103_2_123_131,
     author = {Jan Kwiatkowski},
     title = {Factors of ergodic group extensions of rotations},
     journal = {Studia Mathematica},
     pages = {123--131},
     publisher = {mathdoc},
     volume = {103},
     number = {2},
     year = {1992},
     doi = {10.4064/sm-103-2-123-131},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-103-2-123-131/}
}