BÉDA, Gyula. THE EQUATION OF MOTION OF MECHANICAL SYSTEMS BASED ON D’ALEMBERT-LAGRANGE’S EQUATION Periodica Polytechnica Mechanical Engineering, [S. l.], v. 41, n. 2, p. 79–84, 1997. Disponível em: https://pp.bme.hu/me/article/view/5470. Acesso em: 19 may. 2024.