1. Introduction to Applied Optimization;Diwekar,2020
2. On the theory of optimum processes (in Russian);Boltyanskii;Doklady Akad. Nauk SSSR,1956
3. Some mathematical problems arising in connection with the theory of automatic control system (in Russian);Pontryagin,1956
4. Basic problems of automatic regulation and control (in Russian),;Pontryagin,1957
5. Dynamic Programming;Bellman,1957