TY - JOUR AU - M. I. Zelikin AU - N. B. Melnikov AU - R. Hildebrand TI - The Topological Structure of the Phase Portrait of a~Typical Fiber of Optimal Synthesis for Chattering Problems JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2001 SP - 125 EP - 152 VL - 233 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_2001_233_a4/ LA - ru ID - TM_2001_233_a4 ER -