RUS, Ioan A. Weakly Picard mappings: Retraction-displacement condition, quasicontraction notion and weakly Picard admissible perturbation. Studia Universitatis Babeș-Bolyai Mathematica, [S. l.], v. 69, n. 1, p. 211–221, 2024. DOI: 10.24193/subbmath.2024.1.13. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/7150. Acesso em: 10 feb. 2025.