%0 Journal Article %A M. I. Zelikin %A N. B. Melnikov %A R. Hildebrand %T The Topological Structure of the Phase Portrait of a~Typical Fiber of Optimal Synthesis for Chattering Problems %J Informatics and Automation %D 2001 %P 125-152 %V 233 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_2001_233_a4/ %G ru %F TRSPY_2001_233_a4