1. Singh, M. G., ed., Systems and Control Encyclopedia, vols. 1–8, Pergamon, 1996.
2. Levine, W. S., The Control Handbook, CDC Press/IEEE Press, 1996.
3. Tabak, D. and Kuo, B., Optimal’noe upravelenie i matematicheskoe programmirovanie (Optimal Control and Mathematical Programming), Moscow: Nauka, 1975.
4. Bryson, A. E. and Ho, Yu-Chi, Applied Optimal Control. Optimization, Estimation and Control, 1969.
5. Moiseev, A. A., Optimal Control with Discrete Control Actions, Avtom. Telemekh., 1991, no. 9.