REICH, E. An extremum problem for analytic functions with area norm. Annales Fennici Mathematici, [S. l.], v. 2, n. 1, p. 429–445, 1976. DOI: 10.5186/aasfm.1976.0229. Disponível em: https://afm.journal.fi/article/view/134308. Acesso em: 25 nov. 2024.