Another Approach for Obtaining the Eigenvalues of a Bernoulli-Euler Beam with a Single In-span Elastic Rod with a Tip Mass. RJAV [Internet]. 2025 Dec. 31 [cited 2026 Apr. 16];22(2):180-9. Available from: https://rjav.sra.ro/index.php/rjav/article/view/530