Fixed Point Theorem for Set Valued Mapping with Rational Condition. Iraqi Journal of Science, [S. l.], v. 61, n. 4, p. 805–810, 2020. DOI: 10.24996/ijs.2020.61.4.12. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/1328.. Acesso em: 5 may. 2024.