DJIBAOUI, M.; MOUSSAOUI, T. Variational methods to second-order Dirichlet boundary value problems with impulses on the half-line. CUBO, A Mathematical Journal, [S. l.], v. 24, n. 2, p. 227–237, 2022. DOI: 10.56754/0719-0646.2402.0227. Disponível em: https://cubo.ufro.cl/ojs/index.php/cubo/article/view/3096. Acesso em: 29 mar. 2024.