OKHEZIN, V. P. On the fixed-point theory for non-compact maps and spaces. I. Topological Methods in Nonlinear Analysis, [S. l.], v. 5, n. 1, p. 83–100, 1995. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.1995.005. Acesso em: 24 jul. 2024.