NUSSBAUM, Roger D. Fixed point theorems and Denjoy-Wolff theorems for Hilbert’s projective metric in infinite dimensions. Topological Methods in Nonlinear Analysis, [S. l.], v. 29, n. 2, p. 199–249, 2007. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2007.009. Acesso em: 8 jul. 2025.