Auciello N. A study of the Numerical Convergence of Rayleigh-Ritz Method for the Free Vibrations of Cantilever Beam of Variable Cross-Section with Tip Mass. Eng. Trans. [Internet]. 1996 Dec. 31 [cited 2025 Apr. 24];44(3-4):375-88. Available from: https://et3.ippt.pan.pl/index.php/et/article/view/1469