@article{IM2_1977_11_1_a3,
     author = {A. B. Katok},
     title = {Monotone equivalence in ergodic theory},
     journal = {Izvestiya. Mathematics},
     pages = {99--146},
     year = {1977},
     volume = {11},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1977_11_1_a3/}
}