1. R. Isaacs, Differential Games (Wiley, New York, 1965).
2. L. Pontryagin, Selected Works (CRC, New York, 2019), Vol. 1.
3. N. Krasovskii and A. Subbotin, Game Theoretical Control Problems (Springer, New York, 2011).
4. O. Hajek, Pursuit Games: An Introduction to the Theory and Applications of Differential Games of Pursuit and Evasion (Dover, New York, 2008).
5. B. N. Pshenichnyi, ‘‘Simple pursuit by several objects,’’ Cybern. Syst. Anal. 12, 484–485 (1976).