@article{SM_1968_5_1_a4,
     author = {V. M. Alekseev},
     title = {Quasirandom dynamical systems. {I.} {Quasirandom} diffeomorphisms},
     journal = {Sbornik. Mathematics},
     pages = {73--128},
     year = {1968},
     volume = {5},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1968_5_1_a4/}
}