KAPOVICH, Michael; LIU, Beibei. Geometric finiteness in negatively pinched Hadamard manifolds. Annales Fennici Mathematici, [S. l.], v. 44, n. 2, p. 841–875, 2019. DOI: 10.5186/aasfm.2019.4444. Disponível em: https://afm.journal.fi/article/view/135824. Acesso em: 24 mar. 2026.