HURRI-SYRJÄNEN, R. Unbounded Poincaré domains. Annales Fennici Mathematici, [S. l.], v. 17, n. 2, p. 409–423, 1992. DOI: 10.5186/aasfm.1992.1725. Disponível em: https://afm.journal.fi/article/view/134765. Acesso em: 14 apr. 2025.