Long Time Error Analysis of Finite Difference Time Domain Methods for the Nonlinear Klein-Gordon Equation with Weak Nonlinearity. Communications in Computational Physics, [S. l.], v. 26, n. 5, p. 1307–1334, 2019. DOI: 10.4208/cicp.2019.js60.03. Disponível em: https://global-sci.com/index.php/cicp/article/view/6758. Acesso em: 5 dec. 2025.