Symplectic Schemes for Quasilinear Wave Equations of Klein-Gordon and Sine-Gordon Type. Journal of Computational Mathematics, [S. l.], v. 19, n. 5, p. 475–488, 2001. Disponível em: https://global-sci.com/index.php/JCM/article/view/11450. Acesso em: 5 dec. 2025.