TRAPEZON, K.; TRAPEZON, A. A technique for applying the symmetry method to solve a problem of torsional vibrations of disks of variable thickness. Eastern-European Journal of Enterprise Technologies, [S. l.], v. 2, n. 7 (134), p. 6–14, 2025. DOI: 10.15587/1729-4061.2025.323561. Disponível em: https://journals.uran.ua/eejet/article/view/323561. Acesso em: 27 dec. 2025.