%0 Journal Article %A M. I. Zelikin %A L. V. Lokutsievskiy %A R. Hildebrand %T Geometry of neighborhoods of singular trajectories in problems with multidimensional control %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2012 %P 74-90 %V 277 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2012_277_a5/ %G ru %F TM_2012_277_a5