1. A. A. Krasovskii (ed.), Handbook on Automated Control Theory [in Russian], Nauka, Moscow (1987).
2. Harry Y. F. Lamb, Analog and Digital Filters, Prentice-Hall, New York (1979)
3. V. A. Ostreikovskii, Systems Modeling [in Russian], Nauka, Moscow (1997).
4. A. A. Voronov, Stability, Controllability, Observability [in Russian], Nauka, Moscow (1979).