MICULESCU, R.; MIHAIL, A. A sufficient condition for a finite family of continuous functions to be transformed into ψ-contractions. Annales Fennici Mathematici, [S. l.], v. 41, n. 1, p. 51–65, 2016. DOI: 10.5186/aasfm.2016.4103. Disponível em: https://afm.journal.fi/article/view/135588. Acesso em: 22 nov. 2024.