1. N. S. Bulychev, Mechanics of Underground Structures in Examples and Problems [in Russian], Nedra, Moscow (1989).
2. A. S. Kosmodamianskii, Stressed State of Anisotropic Media with Holes or Cavities [in Russian], Vyshcha Shkola, Kiev–Donetsk (1976).
3. S. G. Lekhnitskii, Anisotropic Plates [in Russian], Gostekhizdat, Moscow (1957)
4. English translation: Gordon & Breach, New York (1968).
5. O. V. Maksymovych, S. V. Lavrenchuk, and T. Ya. Solyar, “Contact problem for an anisotropic half plane with cracks,” Mat. Met. Fiz.-Mekh. Polya, 60, No. 1, 141–148 (2017); English translation: J. Math. Sci., 240, No. 2, 173–183 (2019); https://doi.org/10.1007/s10958-019-04345-3.