Morse flows with fixed points on the boundary of 3-manifolds. Neliniini Kolyvannya, [S. l.], v. 25, n. 2, p. 226–241, 2022. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/1070. Acesso em: 21 jan. 2026.