STAECKER, P. Christopher. Maps on graphs can be deformed to be coincidence free. Topological Methods in Nonlinear Analysis, [S. l.], v. 37, n. 2, p. 377–381, 2011. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2011.019. Acesso em: 8 jul. 2025.