%0 Journal Article %A N. N. Krasovskii %A A. I. Subbotin %T The saddle point of a positional differential game %J Informatics and Automation %D 1972 %P 22-33 %V 128 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1972_128_a1/ %G ru %F TRSPY_1972_128_a1