RAMOS, M. A priori bounds via the relative Morse index of solutions of an elliptic system. Topological Methods in Nonlinear Analysis, [S. l.], v. 36, n. 1, p. 21–39, 2009. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2009.027. Acesso em: 18 sep. 2024.