1. N. N. Krasovskii, Theory of Motion Control (Nauka, Moscow, 1968) [in Russian].
2. A. B. Kurzhanski, Control and Observation under Uncertainty (Nauka, Moscow, 1977 [in Russian].
3. H. Kwakernaak and R. Sivan, Linear Optimal Control Systems (Wiley-Interscience, New York, 1972; Mir, Moscow, 1977).
4. M. Whonem, Linear Multidimensional Control Systems (Nauka, Moscow, 1980) [in Russian].
5. I. V. Gaishun, Introduction to the Theory of Linear Nonautonomous Systems (Editorial URSS, Moscow, 2004) [in Russian].