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3. A.V. Gurevich and K.P. Zybin, “Large-Scale Structure of the Universe. Analytic Theory,” Phys.-Usp. 38(7), 687 (1995).
4. L.V. Ovsyannikov, Lectures on Fundamentals of Gas Dynamics (Nauka, Moscow, 1981) [in Russian].
5. A. D. Polyanin, V. F. Zaitsev, and A. I. Zhurov, Methods for Solution of Nonlinear Equations in Mathematical Physics and Mechanics (Fizmatlit, Moscow, 2005) [in Russian].