TY  - JOUR
AU  - Yu. K. Belyaev
TI  - The number of entries of the trajectories of a Markov process into a given set in phase space
JO  - Doklady Akademii Nauk
PY  - 1969
SP  - 1243
EP  - 1245
VL  - 186
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1969_186_6_a1/
LA  - ru
ID  - DAN_1969_186_6_a1
ER  -