@article{TM_2001_233_a4,
     author = {M. I. Zelikin and N. B. Melnikov and R. Hildebrand},
     title = {The {Topological} {Structure} of the {Phase} {Portrait} of {a~Typical} {Fiber} of {Optimal} {Synthesis} for {Chattering} {Problems}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {125--152},
     publisher = {mathdoc},
     volume = {233},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2001_233_a4/}
}