ROLFSEN, D. Isotopy of Links in Codimension Two. The Journal of the Indian Mathematical Society, [S. l.], v. 36, n. 3-4, p. 263–278, 1972. Disponível em: https://informaticsjournals.co.in/index.php/jims/article/view/16669. Acesso em: 7 nov. 2024.