MAFRA, A. C.; TAVARES, M. A criterion for bijectivity of mappings of Euclidean spaces. Topological Methods in Nonlinear Analysis, [S. l.], v. 43, n. 1, p. 117–128, 2016. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2014.008. Acesso em: 20 apr. 2024.