1. Pontryagin, L.S., Boltyanskii, V.G., Gamkrelidze, R.V., and Mishchenko, E.F., Matematicheskaya teoriya optimal’nykh protsessov (Mathematical Theory of Optimal Processes), Moscow: Gosudarstv. Izdat. Fiz.-Mat. Lit., 1961.
2. Chernous’ko, F.L., Akulenko, L.D., and Sokolov, B.N., Upravlenie kolebaniyami (Control of Vibrations), Moscow, 1980.
3. Agrachev, A.A. and Sachkov, Yu.L., Geometricheskaya teoriya upravleniya (Geometric Theory of Control), Moscow, 2005.
4. Vasil’ev, F.P., Metody optimizatsii (Optimization Methods), Moscow, 2002.
5. Arutyunov, A.V. and Pavlova, N.G., On the Topological Properties of the Reachability Set of Linear Systems, Differ. Uravn., 2004, vol. 40, no. 11, pp. 1564–1566.