%0 Journal Article %A R. O. Mastaliev %T First order necessary optimal conditions in Gursat-Darboux stochastic systems %J Dalʹnevostočnyj matematičeskij žurnal %D 2021 %P 89-104 %V 21 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DVMG_2021_21_1_a7/ %G ru %F DVMG_2021_21_1_a7