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2. N. Yu. Satimov, Methods for Solving the Pursuit Problem in the Theory of Differential Games (Nats. Univ. Uzb., Tashkent, 2003) [in Russian].
3. A. Azamov, “Semistability and duality in the theory of the Pontryagin alternating integral,” Sov. Math. Dokl. 37 (2), 355–359 (1988).
4. A. A. Azamov, “On Pontryagin’s first direct method in pursuit problems,” Math. Notes 90 (2), 157–161 (2011). https://doi.org/10.1134/S0001434611070169
5. L. A. Petrosyan, Differential Games
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Pursuit (Izd. Leningrad. Univ., Leningrad, 1977; World Scientific, River Edge, NJ, 1993).