Differential Quadrature Method for solving the linear and nonlinear Klein - Gordon Equation. University of Thi-Qar Journal of Science, [S. l.], v. 4, n. 3, p. 166–174, 2019. Disponível em: https://jsci.utq.edu.iq/index.php/main/article/view/649.. Acesso em: 4 may. 2024.