1. R. Rockafellar, Convex Analysis (Princeton Univ. Press, Princeton, 1970; Mir, Moscow, 1973).
2. E. S. Polovinkin and M. V. Balashov, Elements of Convex and Strongly Convex Analysis (Fizmatlit, Moscow, 2004) [in Russian].
3. N. N. Krasovski and A. I. Subbotin, Game-Theoretical Control Problems (Springer-Verlag, New York, 1988).
4. A. B. Kurzhanski and O. I. Nikonov, “Evolution Equations for Tubes of Trajectories of Synthesized Control Systems,” Dokl. Akad. Nauk 333, 578–581 (1993).
5. A. B. Kurzhanski, “Pontryagin’s Alternated Integral in the Theory of Control Synthesis,” Proc. Steklov Inst. Math., Russ. Acad. Sci., 224, 212–225 (1999).