YUSHKOV, M. P.; ZEGZHDA, S. A. A New Method of Vibration Analysis of Elastic Systems, Based on the Lagrange Equations of the First Kind. Technische Mechanik - European Journal of Engineering Mechanics, [S. l.], v. 18, n. 2, p. 153–160, 2019. Disponível em: https://journals.ub.ovgu.de/index.php/techmech/article/view/1165. Acesso em: 4 may. 2024.