1. G. G. Vlaikov and A. Ya. Grigorenko, “Solving the axisymmetric problem of natural vibrations of a thick-walled cylindrical shell,” Dokl. AN USSR, Ser. A, No. 2, 26–28 (1988).
2. G. G. Vlaikov and A. Ya. Grigorenko, “Axisymmetric natural vibrations of a hollow cylinder with different end conditions,” Prikl. Mekh., 26, No.5, 109–111 (1990).
3. G. G. Vlaikov and A. Ya. Grigorenko, “Solving the axisymmetric problem of natural vibrations of an anisotropic hollow cylinder,” Dop. URSR, No. 3, 42–46 (1991).
4. G. G. Vlaikov and A. Ya. Grigorenko, Some Axisymmetric Problems in Statics and Dynamics of Anisotropic Cylindrical Bodies [in Rusian], Tekhn. Tsentr NAN Ukrainy, Kiev (1998).
5. G. G. Vlaikov, A. Ya. Grigorenko, and S. N. Shevchenko, Some Static and Dynamic Problems for Anisotropic Hollow Cylinders with Noncircular Cross Section [in Russian], Tekhn. Tsentr NAN Ukrainy, Kiev (2001).