THE EQUATIONS OF THE MOVEMENT OF THE SPHERICAL PENDULUM THROUGH THE LAGRANGIAL MECHANICS. Editora Impacto Científico, [S. l.], p. 94–107, 2025. Disponível em: https://periodicos.newsciencepubl.com/editoraimpacto/article/view/10040. Acesso em: 19 feb. 2026.