@article{INTF_1985_2_a1,
     author = {I. P. Kornfeld and Ya. G. Sinai},
     title = {General ergodic theory of transformation groups with invariant measure. {Chapter~1.} {Preliminary} ideas and basic methods of ergodic theory},
     journal = {Itogi Nauki i Tekhniki. Seriya Sovremennye Problemy Matematiki. Fundamental'nye Napravleniya },
     pages = {7--35},
     publisher = {mathdoc},
     volume = {2},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTF_1985_2_a1/}
}