JIMÉNEZ-VARGAS, A.; MENA-JURADO, J. F.; NAVARRO-PASCUAL, J. C. Mapping without fixed or antipodal points. Some geometric applications. MATHEMATICA SCANDINAVICA, [S. l.], v. 84, n. 2, p. 179–194, 1999. DOI: 10.7146/math.scand.a-13873. Disponível em: https://www.mscand.dk/article/view/13873. Acesso em: 2 may. 2024.