%0 Journal Article %A V. E. Pak %T On an extension of a nonlinear control problem with nonstationary phase constraints %J Differencialʹnye uravneniâ %D 1996 %P 1653-1660 %V 32 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1996_32_12_a8/ %G ru %F DE_1996_32_12_a8