1. J. Dieudonné, Foundations of Modern Analysis (Academic Press, New York–London, 1960).
2. V. M. Alekseev, V. M. Tikhomirov, and S. V. Fomin, Optimal Control (Nauka, Moscow, 1979) [in Russian].
3. V. A. Zorich, Mathematical Analysis, (Nauka, Moscow, 1984), Pt. 2 [in Russian].
4. E. R. Avakov and G. G. Magaril-Il’yaev, Sb. Math. 211 (6), 750 (2020).
5. E. Avakov and G. Magaril-Il’yaev, SIAM J. Control Optim. 58 (6), 3212 (2020).