%0 Journal Article %A I. P. Smirnov %T Necessary conditions for optimality in a problem of the entry of a controllable random process into a given domain %J Differencialʹnye uravneniâ %D 1990 %P 1943-1949 %V 26 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1990_26_11_a13/ %G ru %F DE_1990_26_11_a13