%0 Journal Article %A S. R. Aleeva %A G. R. Berezovskaya %T Differential game with a target set in the ring form and with an integral constraint of the first player control %J Čelâbinskij fiziko-matematičeskij žurnal %D 2017 %P 388-400 %V 2 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHFMJ_2017_2_4_a1/ %G ru %F CHFMJ_2017_2_4_a1