@article{INTF_1985_2_a3,
     author = {I. P. Kornfeld and Ya. G. Sinai},
     title = {General ergodic theory of transformation groups with invariant measure. {Chapter~3.} {Entropy} theory of dynamical systems},
     journal = {Itogi Nauki i Tekhniki. Seriya Sovremennye Problemy Matematiki. Fundamental'nye Napravleniya},
     pages = {44--70},
     year = {1985},
     volume = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTF_1985_2_a3/}
}