TIAN, R.; WANG, Z.-Q. Multiple solitary wave solutions of nonlinear Schrödinger systems. Topological Methods in Nonlinear Analysis, [S. l.], v. 37, n. 2, p. 203–223, 2011. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2011.011. Acesso em: 29 mar. 2024.