ROSADO, Luis. Numerical Approximation of the Motion Equation of a Simple Pendulum, Disregarding Friction. Ceiba, [S. l.], v. 1, n. 2, p. 59–79, 1973. Disponível em: https://revistas.upr.edu/index.php/ceiba/article/view/5793. Acesso em: 18 jul. 2024.