A Positivity-Preserving Second-Order BDF Scheme for the Cahn-Hilliard Equation with Variable Interfacial Parameters. Communications in Computational Physics, [S. l.], v. 28, n. 3, p. 967–998, 2020. DOI: 10.4208/cicp.OA-2019-0037. Disponível em: https://gsp.tricubic.dev/cicp/article/view/6867. Acesso em: 14 mar. 2026.