TY - JOUR AU - M. I. Zelikin AU - L. V. Lokutsievskiy AU - R. Hildebrand TI - Geometry of neighborhoods of singular trajectories in problems with multidimensional control JO - Informatics and Automation PY - 2012 SP - 74 EP - 90 VL - 277 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_2012_277_a5/ LA - ru ID - TRSPY_2012_277_a5 ER -