KORTRAM, R.; TAMMI, O. On certain estimations for the fifth and sixth coefficient of bounded real univalent functions. Annales Fennici Mathematici, [S. l.], v. 10, n. 1, p. 283–288, 1985. DOI: 10.5186/aasfm.1985.1031. Disponível em: https://afm.journal.fi/article/view/134526. Acesso em: 25 nov. 2024.