TY  - JOUR
AU  - N. I. Chernov
TI  - New proof of Sinai's formula for the entropy of hyperbolic billiard systems. Application to Lorentz gases and Bunimovich stadiums
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1991
SP  - 50
EP  - 69
VL  - 25
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1991_25_3_a5/
LA  - ru
ID  - FAA_1991_25_3_a5
ER  -