BAKER, I. N.; EREMENKO, A. A problem of Julia sets. Annales Fennici Mathematici, [S. l.], v. 12, n. 2, p. 229–236, 1987. DOI: 10.5186/aasfm.1987.1205. Disponível em: https://afm.journal.fi/article/view/134599. Acesso em: 4 may. 2024.