@article{05619829,
title = {Common fixed point theorems in cone metric spaces.},
journal = {The Journal of Nonlinear Sciences and its Applications},
volume = {2},
year = {2009},
pages = {204-213},
zbl = {1173.54317},
language = {en},
url = {http://dml.mathdoc.fr/item/05619829}
}
Azam, Akbar; Arshad, Muhammad; Beg, Ismat. Common fixed point theorems in cone metric spaces.. The Journal of Nonlinear Sciences and its Applications, Tome 2 (2009) pp. 204-213. http://gdmltest.u-ga.fr/item/05619829/