ŠEDA, Valter. A remark to the Schauder fixed point theorem. Topological Methods in Nonlinear Analysis, [S. l.], v. 15, n. 1, p. 61–73, 2000. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2000.005. Acesso em: 1 jul. 2025.