AGHAJANI, A.; ALLAHYARI, R. Fixed-Point Theorems for Multivalued Generalized Nonlinear Contractive Maps in Partial Metric Spaces. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 66, n. 1, p. 3–16, 2014. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2106. Acesso em: 5 dec. 2025.