Approximation of Nonlinear Sine-Gordon Equation via RBF-FD Meshless Approach. Punjab University Journal of Mathematics, [S. l.], v. 55, n. 9, p. 357–370, 2023. Disponível em: https://pujm.pu.edu.pk/index.php/pujm/article/view/191. Acesso em: 29 jun. 2025.