@ARTICLE{
author={Popovic Branislav Z,Shoaib Muhammad,Sarwar Muhammad},
year={2017},
title={Coupled fixed point theorems for generalized (psi, phi) weak contraction in partially ordered G-metric spaces},
journal={JOURNAL OF COMPUTATIONAL ANALYSIS AND APPLICATIONS},
volume={23},
number={5},
pages={897-909},
document_type={Article},
} 

@ARTICLE{
author={Popovic Branislav Z,Shoaib Muhammad,Sarwar Andmuhammad},
year={2016},
title={Fixed Point Results Satisfying Rational Type Contraction in G-Metric Spaces},
journal={Journal of Function Spaces},
volume={},
number={},
pages={-},
document_type={Article},
}