@article{KJM_2012_36_2_a1,
     author = {Stojan Radenovi\'c},
     title = {A pair of non-self mappings in cone metric spaces},
     journal = {Kragujevac Journal of Mathematics},
     pages = {189 },
     publisher = {mathdoc},
     volume = {36},
     number = {2},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KJM_2012_36_2_a1/}
}