On the Well-Posedness Problem of the Anisotropic Porous Medium Equation with a Variable Diffusion Coefficient. Journal of Partial Differential Equations, [S. l.], v. 37, n. 2, p. 135–149, 2024. DOI: 10.4208/jpde.v37.n2.2. Disponível em: https://global-sci.com/index.php/jpde/article/view/4419. Acesso em: 5 dec. 2025.