%0 Journal Article %A S. Ya. Serovaǐskiǐ %T Optimal control of a nonlinear singular system with a fixed terminal state %J Differencialʹnye uravneniâ %D 1997 %P 1114-1117 %V 33 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1997_33_8_a14/ %G ru %F DE_1997_33_8_a14