Existence and Regularity of a Weak Solution to a Class of Systems in a Multi-Connected Domain. Journal of Partial Differential Equations, [S. l.], v. 32, n. 1, p. 1–19, 2019. DOI: 10.4208/jpde.v32.n1.1. Disponível em: https://global-sci.com/index.php/jpde/article/view/4318. Acesso em: 6 dec. 2025.