NIKOLOV, N.; PASCAL, T. J. Boundary behavior of the quasi-hyperbolic metric. Annales Fennici Mathematici, [S. l.], v. 43, n. 1, p. 381–389, 2018. DOI: 10.5186/aasfm.2018.4318. Disponível em: https://afm.journal.fi/article/view/135730. Acesso em: 22 nov. 2024.