AGOL, I.; FREEDMAN, M. Embedding Heegaard Decompositions. New Zealand Journal of Mathematics, [S. l.], v. 52, p. 727–731, 2021. DOI: 10.53733/189. Disponível em: https://nzjmath.org/index.php/NZJMATH/article/view/189. Acesso em: 26 apr. 2024.