BOGACHEVA, E. V.; GLIKLIKH, Y. E. Topological index for condensing maps on Finsler manifolds with applications to functional-differential equations of neutral type. Topological Methods in Nonlinear Analysis, [S. l.], v. 26, n. 2, p. 287–305, 2005. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2005.033. Acesso em: 22 lip. 2024.