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3. G. A. Mikhailov, Certain Issues of the Theory of Monte Carlo Methods (Nauka, Novosibirsk, 1974) [in Russian].
4. S. L. Sobolev, Some Applications of Functional Analysis in Mathematical Physics (Sib. Otd. Akad. Nauk SSSR, Novosibirsk, 1962; Am. Math. Soc., Providence, R.I., 1963).
5. G. I. Marchuk, G. A. Mikhailov, M. A. Nazaraliev, et al., The Monte Carlo Methods in Atmospheric Optics (Nauka, Novosibirsk, 1976; Springer-Verlag, Berlin, 1980).