GONÇALVES, D. L.; GUASCHI, J.; LAASS, V. C. The Borsuk-Ulam property for homotopy classes of maps from the torus to the Klein bottle. Topological Methods in Nonlinear Analysis, [S. l.], v. 56, n. 2, p. 529–558, 2020. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2020.003. Acesso em: 3 jul. 2024.