FOURNIER, G.; MARTELLI, M. Eigenvectors for nonlinear maps. Topological Methods in Nonlinear Analysis, [S. l.], v. 2, n. 2, p. 203–224, 1993. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.1993.039. Acesso em: 22 jul. 2024.