REICH, E. The composition of harmonic mappings. Annales Fennici Mathematici, [S. l.], v. 12, n. 1, p. 47–53, 1987. DOI: 10.5186/aasfm.1987.1230. Disponível em: https://afm.journal.fi/article/view/134582. Acesso em: 25 nov. 2024.