Klein-Gordon-Maxwell-Proca Type Systems in the Electro-Magneto-Static Case. Journal of Partial Differential Equations, [S. l.], v. 31, n. 2, p. 119–158, 2018. DOI: 10.4208/jpde.v31.n2.2. Disponível em: https://global-sci.com/index.php/jpde/article/view/4301. Acesso em: 6 dec. 2025.