TY  - JOUR
AU  - V. S. Pugachev
TI  - The differential equations for the probabilities of the states of a system
JO  - Doklady Akademii Nauk
PY  - 1971
SP  - 44
EP  - 45
VL  - 198
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1971_198_1_a10/
LA  - ru
ID  - DAN_1971_198_1_a10
ER  -