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The purpose of this work is to present some existence theorems for coupled fixed points of F -type contractive operator in metric spaces endowed with a directed graph. Our results generalize the main result obtained by Chifu and Petrusel [C. Chifu, G. Petrusel, Fixed Point Theory Appl., 2014 (2014), 13 pages]. We also present applications to some nonlinear integral system equations to support the results. c ©2016 all rights reserved.

Computational coupled fixed points for F-contractive mappings in metric spaces endowed with a graph