DZEDZEJ, Z.; IDZIK, A.; IZYDOREK, M. Borsuk-Ulam type theorems on product spaces II. Topological Methods in Nonlinear Analysis, [S. l.], v. 14, n. 2, p. 345–352, 1999. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.1999.037. Acesso em: 27 mar. 2023.