BHATTACHARYYA, P.; ARUMARAJ, Y. E. On the iteration of polynomials of degree 4 with real coefficients. Annales Fennici Mathematici, [S. l.], v. 6, n. 2, p. 197–203, 1981. DOI: 10.5186/aasfm.1981.0605. Disponível em: https://afm.journal.fi/article/view/134411. Acesso em: 25 nov. 2024.