GÁMEZ, J. L.; RIUZ, J. F. Bifurcation of solutions of elliptic problems: local and global behaviour. Topological Methods in Nonlinear Analysis, [S. l.], v. 23, n. 2, p. 203–212, 2004. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2004.009. Acesso em: 23 apr. 2024.