Haciyev, Vaqif, and Aziz Shiriyev. “Investigation of Natural Oscillations of Inhomogeneous Orthotropic Circular Plate Lying on an Inhomogeneous Viscoelastic Foundation”. Technology audit and production reserves 1, no. 1(33) (January 31, 2017): 16–19. Accessed November 24, 2024. https://journals.uran.ua/tarp/article/view/90520.