Nussbaum RD. Fixed point theorems and Denjoy-Wolff theorems for Hilbert’s projective metric in infinite dimensions. TMNA [Internet]. 2007 Jun. 1 [cited 2024 Jul. 22];29(2):199-24. Available from: https://apcz.umk.pl/TMNA/article/view/TMNA.2007.009