1. A. V. Moryakov, Vopr. At. Nauki Tekh., Ser.: Fiz. Yad. Reakt., No. 2, 4 (2015).
2. A. N. Kolmogorov and S. V. Fomin, Elements of the Theory of Functions and Functional Analysis (Nauka, Moscow 1972) [in Russian].
3. G. Korn and T. Korn, Mathematical Handbook for Scientists and Engineers (Nauka, Moscow, 1970; McGraw-Hill, New York, 1961).
4. A. V. Moryakov, S. S. Pylev, A. A. Sedov, and A. S. Lubina, Mat. Model. 29(2), 47 (2017).
5. A. V. Moryakov and S. S. Pylev, At. Energy 123, 68 (2017).