A Better Difference Scheme with Four Near-Conserved Quantities for the KdV Equation. Journal of Computational Mathematics, [S. l.], v. 12, n. 3, p. 224–234, 1994. Disponível em: https://www.global-sci.com/index.php/JCM/article/view/11144. Acesso em: 6 dec. 2025.