NAZIR, T.; ABBAS, M. COMMON FIXED POINTS OF PRESIC TYPE CONTRACTION MAPPINGS IN PARTIAL METRIC SPACES. Journal of Nonlinear Analysis and Optimization: Theory & Applications (JNAO), [S. l.], v. 5, n. 1, p. 49–55, 2013. Disponível em: https://ph03.tci-thaijo.org/index.php/jnao/article/view/2729. Acesso em: 2 sep. 2026.