Expanded Rectangular b-Metric Spaces and Fixed Point Results for Nonlinear F-Contractions. Journal of Prime Research in Mathematics, [S. l.], v. 22, n. 1, p. 145–156, 2026. Disponível em: https://jprm.sms.edu.pk/index.php/jprm/article/view/339. Acesso em: 9 may. 2026.