BENEVIERI, Pierluigi; CALAMAI, Alessandro. A Borsuk-type theorem for some classes of perturbed Fredholm maps. Topological Methods in Nonlinear Analysis, [S. l.], v. 35, n. 2, p. 379–394, 2010. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2010.022. Acesso em: 4 jul. 2025.