Existence of Solutions for Schrodinger-Poisson Systems with Sign-changing Weight. Journal of Partial Differential Equations, [S. l.], v. 24, n. 2, p. 180–194, 2011. DOI: 10.4208/jpde.v24.n2.7. Disponível em: https://global-sci.com/index.php/jpde/article/view/4189. Acesso em: 5 dec. 2025.