%0 Journal Article %A E. S. Lehnitsky %T The construction of the equations of a programmed motion having extremal properties %J Differencialʹnye uravneniâ %D 1972 %P 1761-1766 %V 8 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1972_8_10_a4/ %G ru %F DE_1972_8_10_a4