1. I. N. Vekua, “Theory of thin flat shells of variable thickness,” Proc. Tbilisi Math. Inst., No. 30, 3–103 (1965).
2. V. T. Grinchenko and A. F. Ulitko, “An exact solution of the Kirsch problem,” Prikl. Mekh., 6, No. 5, 455–461 (1970).
3. N. N. Lebedev, Special Functions and Their Application [in Russian], Fizmatlit, Moscow (1963).
4. L. A. Fylshtynskyi and D. V. Kushnir, “Elastic equilibrium of multi-connected cylindrical bodies,” Teor. Prikl. Mekh., No. 45, 90–99 (2009).
5. I. Yu. Khoma, Generalized Theory of Anisotropic Shells [in Russian], Nauk. Dumka, Kyiv (1986).