1. P. Ya. Polubarinova-Kochina, Theory of Motion of Ground Waters [in Russian], Nauka, Moscow (1977).
2. V. I. Lavrik, V. P. Fil’chakova, and A. A. Yashin, Conformal Mappings of Physico-Topological Models [in Russian], Naukova Dumka, Kyiv (1990).
3. S. I. Lyashko, D. A. Klyushin, A. A. Timoshenko, N. I. Lyashko, and E. S. Bondar, “Optimal control of intensity of water point sources in unsaturated porous medium,” J. Autom. Inform. Sci., Vol. 51, No. 7, 24–33 (2019).
4. I. I. Lyashko, L. I. Demchenko, and G. E. Mistetskii, Numerical Solution of Problems of Heat and Mass-Transfer in Porous Media [in Russian], Naukova Dumka, Kyiv (1991).
5. N. N. Verigin, S. V. Vasil’ev, V. S. Sarkisyan, and B. S. Sherzhukov, Hydrodynamic and Physico-Chemical Properties of Rocks [in Russian], Nadra, Moscow (1977).