WANG, L.; CHEN, H.; LIU, S. Existence and multiplicity of sign-changing solutions for a Schrödinger-Bopp-Podolsky system. Topological Methods in Nonlinear Analysis, [S. l.], v. 59, n. 2B, p. 913–940, 2022. DOI: 10.12775/TMNA.2021.045. Disponível em: https://apcz.umk.pl/TMNA/article/view/38707. Acesso em: 25 apr. 2024.