BARTH, K. F.; RIPPON, P. J.; SIXSMITH, D. J. The MacLane class and the Eremenko–Lyubich class. Annales Fennici Mathematici, [S. l.], v. 42, n. 2, p. 859–873, 2017. DOI: 10.5186/aasfm.2017.4252. Disponível em: https://afm.journal.fi/article/view/135698. Acesso em: 20 maj. 2024.