Classification of Positive Ground State Solutions with Different Morse Indices for Nonlinear $N$-Coupled Schrödinger System. Analysis in Theory and Applications, [S. l.], v. 37, n. 2, p. 230–266, 2021. DOI: 10.4208/ata.2021.pr80.07. Disponível em: https://global-sci.com/index.php/ata/article/view/8222. Acesso em: 6 dec. 2025.