1. N. A. Shul’ga and A. M. Bolkisev, Vibrations of Piezoelectric Bodies [in Russian], Naukova Dumka, Kyiv (1990).
2. M. O. Shul’ga and V. L. Karlash, Resonant Electromechanical Vibrations of Piezoelectric Plates [in Ukrainian], Naukova Dumka, Kyiv (2008).
3. N. F. Andrushko, I. K. Senchenkov, and E. V. Boichuk, “Transient waves in an inelastic disk under impulsive radial loading,” Int. Appl. Mech., 41, No. 11, 1299–1305 (2005).
4. F. Ashida and T. R. Tauchert, “Transient response of a piezothermoelastic circular disk under axisymmetric heating,” Acta Mech., 128, 1–14 (1998).
5. E. Dieulesaint and D. Royer, Ondes Elastiques Dans Les Solides. Application au traitement du signal, Vol. 1, Elsevier Masson, Paris (1997).