Another Approach for Obtaining the Eigenvalues of a Bernoulli-Euler Beam with a Single In-span Elastic Rod with a Tip Mass. Romanian Journal of Acoustics and Vibration, [S. l.], v. 22, n. 2, p. 180–190, 2025. Disponível em: https://rjav.sra.ro/index.php/rjav/article/view/530.. Acesso em: 16 apr. 2026.