SEGAL, J. Borsuk’s shape teory. Topological Methods in Nonlinear Analysis, [S. l.], v. 1, n. 1, p. 43–47, 1993. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.1993.006. Acesso em: 24 apr. 2024.