COLOMBO, G.; GONCHAROV, V. V. Continuous selections via geodesics. Topological Methods in Nonlinear Analysis, [S. l.], v. 18, n. 1, p. 171–182, 2001. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2001.029. Acesso em: 13 dec. 2024.