Uniqueness of an Orthogonal 2-Handle Pair on a Surface-Link. Contemporary Mathematics , [S. l.], v. 4, n. 2, p. 182–188, 2023. DOI: 10.37256/cm.4220232321. Disponível em: https://ojs353.mebyme.cn/index.php/CM/article/view/2321. Acesso em: 24 dec. 2025.