Maximum Principle and Existence of Weak Solutions for Nonlinear System Involving Singular p-Laplacian Operators. Journal of Partial Differential Equations, [S. l.], v. 29, n. 2, p. 89–101, 2016. DOI: 10.4208/jpde.v29.n2.1. Disponível em: https://www.global-sci.com/index.php/jpde/article/view/4262. Acesso em: 6 dec. 2025.