1. S. A. Kristianovich, The Mechanics of Solid Media [in Russian], Nauka, Moscow (1981).
2. P. Ya. Polubarinova-Kochina, Theories of Underground Water Flow [in Russian], Nauka, Moscow (1977).
3. V. N. Nikolaevskii, K. S. Basniev, A. T. Gorbunov, and G. A. Zotov, The Mechanics of Saturated Porous Media [in Russian], Nedra, Moscow (1970).
4. R. I. Nigmatulin, Fundamentals of the Mechanics of Heterogeneous Media [in Russian], Nauka, Moscow (1978).
5. B. L. Rozhdestvenskii and N. N. Yanenko, Systems of Quasilinear Equations [in Russian], Nauka, Moscow (1968).