KIM, S.-A.; MA, J.; MA, W. Estimates of the hyperbolic metric on the twice punctured plane. Annales Fennici Mathematici, [S. l.], v. 40, n. 2, p. 875–887, 2015. DOI: 10.5186/aasfm.2015.4058. Disponível em: https://afm.journal.fi/article/view/135576. Acesso em: 30 oct. 2024.