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2. Krasovskii, N.N., Theory of Motion Control, Nauka, Moscow, Russia, 1968 (in Russian).
3. Lee, E.B., and Markus, L., Foundations of Optimal Control Theory, Wiley, New York, NY, 1967.
4. Formalsky, A.M., Controllability and Stability of Systems with Limited Control Resources, Nauka, Moscow, Russia, 1974 (in Russian).
5. Chernousko, F.L., State Estimation for Dynamic Systems, CRC Press, Boca Raton, Florida, 1994.