HEINS, M. A note concerning the lemma of Julia-Wolff-Carathéodory. Annales Fennici Mathematici, [S. l.], v. 14, n. 1, p. 133–136, 1989. DOI: 10.5186/aasfm.1989.1410. Disponível em: https://afm.journal.fi/article/view/134652. Acesso em: 25 nov. 2024.