%0 Journal Article %A È. M. Vaisbord %T The existence of a Nash point in the problem of program control %J Differencialʹnye uravneniâ %D 1972 %P 715-717 %V 8 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1972_8_4_a15/ %G ru %F DE_1972_8_4_a15