Lower Bound Estimate of Blow Up Time for the Porous Medium Equations under Dirichlet and Neumann Boundary Conditions. Journal of Partial Differential Equations, [S. l.], v. 34, n. 1, p. 94–102, 2021. DOI: 10.4208/jpde.v34.n1.7. Disponível em: https://global-sci.com/index.php/jpde/article/view/14936. Acesso em: 5 dec. 2025.