MOZGOVA, A. A. On Homotopic Equivalence of Fibering into Tori and Total Space. Case of Nonempty Boundary. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 54, n. 2, p. 237–248, 2002. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4059. Acesso em: 7 apr. 2025.