1. Bortakovskij, A.S. and Panteleev, A.V., Sufficient Conditions of Optimal Control of Continuous-Discrete Systems, Autom. Remote Control, 1987, no. 7, pp. 880–887.
2. Bortakovskij, A.S., Sufficient Conditions for Optimal Control of the Deterministic Logic-Dynamic Systems, Informatika. Ser. Avtomatizatsiya proektirovaniya, 1992, no. 2–3, Moscow: VNIMI, pp. 16–22.
3. Bortakovskij, A.S., Sufficient Conditions for Optimality of the Automatic Part of the Logic-Dynamic System, Izv. Ross. Akad. Nauk, Teor. Sist. Upravlen., 2006, no. 6, pp. 77–92.
4. Semenov, V.V., Dynamic Programming of the Design of Logic-Dynamic Systems, Priborostroenie, 1984, no. 2, pp. 24–31.
5. Krotov, V.F., Global Methods in Optimal Control Theory, New York: Marcel Dekker, 1996.