TRAPEZON, K.; TRAPEZON, A. Analysis of free oscillations of circular plates with variable thickness based on the symmetry method. Eastern-European Journal of Enterprise Technologies, [S. l.], v. 2, n. 7 (104), p. 12–18, 2020. DOI: 10.15587/1729-4061.2020.183319. Disponível em: https://journals.uran.ua/eejet/article/view/183319. Acesso em: 18 jul. 2024.