1. B. D. Annin and G. P. Cherepanov, Elastoplastic Problem [in Russian], Nauka, Novosibirsk (1983).
2. C. B. Biezeno and R. Grammel, Technische Dynamik, Vol. 1, Springer, Berlin (1939).
3. C. B. Biezeno and R. Grammel, Technische Dynamik, Vol. 2, Springer, Berlin (1939).
4. A. N. Guz’ and I. Yu. Babich, Three-Dimensional Theory of Stability of Deformable Bodies [in Russian], Naukova Dumka, Kiev (1985).
5. A. N. Guz’ and Yu. N. Nemish, Boundary Shape Perturbation Method in Continuum Mechanics [in Russian], Vyshcha Shkola, Kiev (1989).