HEINS, M. Extreme normalized analytic functions with positive real part. Annales Fennici Mathematici, [S. l.], v. 10, n. 1, p. 239–245, 1985. DOI: 10.5186/aasfm.1985.1026. Disponível em: https://afm.journal.fi/article/view/134521. Acesso em: 25 nov. 2024.