1. N. S. Bahvalov, Numerical Methods [In Russian] (Nauka, Moscow, 1975).
2. A. V. Voytishek, Randomized Iterative Numerical Models and Algorithms [In Russian] (LAP LAMBERT Academic Publishing RU, Saarbrcken, 2017).
3. G. A. Mikhailov and A. V. Voytishek, Numerical Statistical Modelling. Monte Carlo Methods [in Russian] (Izd. centr “Akademia”, Moscow, 2006).
4. L. V. Kantorovich and G. P. Akilov, Functional Analysis [in Russian] (Nauka, Moscow, 1984).
5. G. I. Marchuk and V. I. Agoshkov, Introduction in Projection-Mesh Methods [In Russian] (Nauka, Moscow, 1981).