SCARPELLO, G. M.; RITELLI, D. Closed form integration of the rotating plane pendulum nonlinear equation. Tamkang Journal of Mathematics, [S. l.], v. 34, n. 4, p. 327–350, 2003. DOI: 10.5556/j.tkjm.34.2003.235. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/235. Acesso em: 25 apr. 2024.