%0 Journal Article
%A V. S. Pugachev
%T The differential equations for the probabilities of the states of a system
%J Doklady Akademii Nauk
%D 1971
%P 44-45
%V 198
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1971_198_1_a10/
%G ru
%F DAN_1971_198_1_a10