BENEVIERI, P.; CALAMAI, A.; FURI, M. On the degree for oriented quasi-Fredholm maps: its uniqueness and its effective extension of the Leray-Schauder degree. Topological Methods in Nonlinear Analysis, [S. l.], v. 46, n. 1, p. 401–430, 2015. DOI: 10.12775/TMNA.2015.052. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2015.052. Acesso em: 22 jul. 2024.