1. N. S. Bakhvalov, N. P. Zhidkov, and S. M. Kobel'kov, Numerical Methods [in Russian], Nauka, Moscow (1987).
2. A. N. Guz, Fundamentals of the Theory of Stability of Mine Workings [in Russian], Naukova Dumka, Kyiv (1977).
3. V. S. Zelenskii, “Edge effects in parallel horizontal mine workings of rectangular cross-section,” Dop. NAN Ukrainy, No. 7, 36–38 (2005).
4. Mechanics of Composite Materials,1993
5. A. A. Samarskii, Theory of Difference Schemes [in Russian], Nauka, Moscow (1983).