%0 Journal Article %A A. V. Boltyanskii %T Normal local controllability of objects that can be described by a system of second-order differential equations with one control parameter %J Differencialʹnye uravneniâ %D 1988 %P 341-342 %V 24 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1988_24_2_a19/ %G ru %F DE_1988_24_2_a19