1. Ostrovskii G.M, Volin Yu.M. Simulation of complicated chemical-technological and technological schemes. Khimiya, M., 1975. 311 p. [in Russian].
2. Agafonova I.A., Gulin L.L., Rasina I.V. Mathematical simulation and optimization of methylation of dynatron salt of sulfaminoantiprina. M., 1978. Dep. in VINITI ANSSSR, no. 3457, 19 p. [in Russian].
3. Beletskii V.V. Dynamics of biped walk. Izvestia AN SSSR. Mechanika tverdovo tela [Math. USSR Academy of Sciences. Mechanics solid], no.3, pp. 3–14 [in Russian].
4. Gurman V.I., Orlov A.G. Sufficient conditions of optimality of complex process. Avtomatika i telemekhanika [Automation and Remote Control]. 1978, no. 4, pp. 127–134 [in Russian].
5. Gurman V.I., Orlov A.G. Complex problems of biped walk. Preprint of M.V. Keldysh IAM, 1979, no 95, 39 p. [in Russian].
6. Arsenashvili A.I., Tadumadze T.A. Necessary optimality conditions for controllable systems with variable structure and continuous conditions of succession. Proceedings of I.N. Vekua Tbilisi State University. Tbilisi, 1998, vol. 27, p. 35–48 [in Russian].
7. Ismailov R.R., Mansimov K.B. On the optimality conditions in a stepwise control problem. Zhurn. vych. matatematiki i mat. fiziki [Comp. Math. and Math. Physics], 2006, vol. 46, no. 10, p. 1758–1770 [in Russian].
8. Abdullayev A.A., Mansimov K.B. Necessary conditions of optimality in processes, described by system of integral equations of the Volterra type. Elm, Baku, 2013, 224 p. [in Russian].
9. Gurman V.I. On theory of optimal discrete processes. Avtomatika i telemekhanika [Automation and Remote Control], 1973, no. 6, p. 53–58 [in Russian].
10. Mansimov Ê.Â. Discrete Systems. Publ. BGU, Baku, 2002. 114 p. [in Russian].
11. Mastaliyev R.O. On a stepwise problem of optimal control of discrete systems, Vestnuk Bakinskogo Universiteta, Ser. fiz.-mat. nauk, 2010, no. 1, pp. 33–39 [in Russian].
12. Pontryagin L.S., Boltyanskii V.G., Gamkrelidze R.V., Mishenko E.F. The Mathematical Theory of Optimal Processes. Nauka, M ., 1969. 384 p. [in Russian].
13. Gabasov R., Kirillova F.M. Optimization of Linear Systems, Publ. BSU, Minsk, 1973. 256 p. [in Russian].
14. Gabasov R., Kirillova F.M. Maximum principle in optimal control theory, Nauka i tekhnika, Minsk, 1974 [in Russian].
15. Kolmanovskiy V.B. On asymptotic properties of solutions of certain Volterra nonlinear systems. Avtomatika i telemekhanika, 2000, no. 4, pp. 42–50 [in Russian].
16. Kolmanovskiy V.B. On asymptotical equivalence of solutions of certain difference equations, Ibid., 2001, no. 4, pp. 47–55 [in Russian].
17. Vasilieva A.B., Tikhonov A.N. Integral Equations, Publ. MSU, Moscow, 1989 [in Russian].
18. Tsalyuk Z.B. Volterra integral equations, Itogi nauki i tekhniki. Ser. Matematicheskij analiz [Science and Technology. ser. math. analys], 1977, vol.15, pp. 131–198 [in Russian].