TY  - JOUR
AU  - A. M. Vershik
AU  - I. P. Kornfeld
TI  - General ergodic theory of transformation groups with invariant measure. Chapter~4. Periodic approximations and their applications. Ergodic theorems, spectral and entropy theory for general group actions
JO  - Itogi Nauki i Tekhniki. Seriya Sovremennye Problemy Matematiki. Fundamental'nye Napravleniya 
PY  - 1985
SP  - 70
EP  - 89
VL  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/INTF_1985_2_a4/
LA  - ru
ID  - INTF_1985_2_a4
ER  -