PESCHL, E.; LEHTINEN, M. A conformal self-map which fixes three points in the identity. Annales Fennici Mathematici, [S. l.], v. 4, n. 1, p. 85–86, 1979. DOI: 10.5186/aasfm.1978-79.0419. Disponível em: https://afm.journal.fi/article/view/134339. Acesso em: 25 nov. 2024.