GONÇALVES, Daciberg L.; KOSCHORKE, Ulrich. Nielsen coincidence theory of fibre-preserving maps and Dold’s fixed point index. Topological Methods in Nonlinear Analysis, [S. l.], v. 33, n. 1, p. 85–103, 2009. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2009.007. Acesso em: 8 jul. 2025.