TY  - JOUR
AU  - B. M. Gurevich
TI  - Topological entropy of a countable Markov chain
JO  - Doklady Akademii Nauk
PY  - 1969
SP  - 715
EP  - 718
VL  - 187
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1969_187_4_a1/
LA  - ru
ID  - DAN_1969_187_4_a1
ER  -