PRISHLYAK, O. O.; SKOCHKO, D. M. Topology of Morse flows with fixed points on the boundary of complete handlebody. Transactions of Institute of Mathematics, the NAS of Ukraine, [S. l.], v. 12, n. 6, p. 164–182, 2015. Disponível em: https://trim.imath.kiev.ua/index.php/trim/article/view/148. Acesso em: 20 jul. 2024.