1. B. Francis and W. Wonham, ‘‘The internal model principle of control theory,’’ Automatica 12, 457–465 (1976).
2. G. F. Franklin, J. D. Powell, and A. Emami-Nacini, Feedback Control of Dynamic Systems, 5th ed. (Prentice-Hall, 2006).
3. The Control Handbook, Ed. by W. S. Levine (CRC Press, 1996).
4. M. V. Meerov, Structural Synthesis of High-Accuracy Automatic Control Systems, Pergamon Press International Series of Monographs on Automation and Automatic Control, vol. 6 (Pergamon Press, Oxford, 1965).
5. V. I. Utkin, Sliding Modes in Optimization and Control Problems (Nauka, Moscow, 1981).