CLAPP, M.; SZULKIN, A. Normalized solutions to a non-variational Schrödinger system. Topological Methods in Nonlinear Analysis, [S. l.], v. 61, n. 1, p. 445–464, 2023. DOI: 10.12775/TMNA.2022.040. Disponível em: https://apcz.umk.pl/TMNA/article/view/42924. Acesso em: 3 jul. 2024.