DEGUIRE, P.; LASSONDE, M. Families sélectantes. Topological Methods in Nonlinear Analysis, [S. l.], v. 5, n. 2, p. 261–269, 1995. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.1995.017. Acesso em: 22 jul. 2024.