Monotone Finite Difference Schemes for Anisotropic Diffusion Problems via Nonnegative Directional Splittings. Communications in Computational Physics, [S. l.], v. 19, n. 2, p. 473–495, 2018. DOI: 10.4208/cicp.280315.140815a. Disponível em: https://global-sci.com/index.php/cicp/article/view/6290. Acesso em: 6 dec. 2025.