%0 Journal Article %A M. I. Zelikin %T The Structure of Optimal Synthesis in the Vicinity of Singular Manifolds for Problems Affine with Respect to Control %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2002 %P 174-196 %V 236 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2002_236_a18/ %G ru %F TM_2002_236_a18