@ARTICLE{
author={Suantai Suthep,Charoensawan Phakdi,Aleksic-Lampert Tatjana M},
year={2015},
title={Common coupled fixed point theorems for theta-psi-contraction mappings endowed with a directed graph},
journal={FIXED POINT THEORY AND APPLICATIONS},
volume={},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Malkowsky Eberhard,Mursaleen Mohammad,Suantai Suthep},
year={2007},
title={The dual spaces of sets of difference sequences of order m and matrix transformations},
journal={ACTA MATHEMATICA SINICA-ENGLISH SERIES},
volume={23},
number={3},
pages={521-532},
document_type={Article},
}