@ARTICLE{
author={Razani Abdolrahman,Rakocevic Vladimir R,Goodarzi Zahra},
year={2011},
title={Generalized phi-contraction for a pair of mappings on cone metric spaces},
journal={APPLIED MATHEMATICS AND COMPUTATION},
volume={217},
number={22},
pages={8899-8906},
document_type={Article},
} 

