TY  - JOUR
AU  - L. A. Grigorenko
TI  - On the $\sigma$-algebra of symmetrical events for a countable Markov chain
JO  - Teoriâ veroâtnostej i ee primeneniâ
PY  - 1979
SP  - 198
EP  - 204
VL  - 24
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TVP_1979_24_1_a20/
LA  - ru
ID  - TVP_1979_24_1_a20
ER  -