%0 Journal Article %A A. V. Pukhlikov %T Poisson's theorem in optimal control problems %J Differencialʹnye uravneniâ %D 1993 %P 1941-1947 %V 29 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1993_29_11_a9/ %G ru %F DE_1993_29_11_a9