Volgin, L.N., Optimal’noe diskretnoe upravlenie dinamicheskimi sistemami (Optimal Discrete Control of Dynamical Systems), Moscow: Nauka, 1986.
Ishmatov, Z.Sh., Volkov, M.A., Gurent’ev, E.A., Synthesis of Electric Drive Systems Invariant to Parametric and External Disturbances by the Method of Polynomial Equations, Elektrotekhnika, 2007, no. 11, pp. 38–42 [Russ. Electr. Eng. (Engl. Transl.), 2007, no. 11, p. 591].
Petrov, B.N., Sokolov, N.I., Lipatov, A.V., et al., Sistemy avtomaticheskogo upravleniya ob“ektami s peremennymi parametrami: Inzhenernye metody analiza i sinteza (Automatic Control Systems of the Objects with Variable Parameters: Engineering Approaches of Analysis and Synthesis), Moscow: Mashinostroenie, 1986.
Volkov, M.A. and Ishmatov, Z.Sh., Synthesis of Electric Drive Control Systems Using Quality Coefficient Estimates, Elektrotekhnika, 2007, no. 11, pp. 38–42 [Russ. Electr. Eng. (Engl. Transl.), 2007, no. 11, p. 598].
Ishmatov, Z.Sh., Mikroprotsessornoe upravlenie elektroprivodami i tekhnologicheskimi ob“ektami. Polinomial’nye metody (Microprocessor Control of Electric Drives and Engineering Units. Polynomial Methods), Yekaterinburg: UGTU-UPI, 2007.