Lp-Lq Estimates for a Linear Perturbed Klein-Gordon Equation. Journal of Partial Differential Equations, [S. l.], v. 8, n. 4, p. 341–350, 2020. Disponível em: https://global-sci.com/index.php/jpde/article/view/3809. Acesso em: 6 dec. 2025.