@article{NSJOM_2004_34_1a_3,
     author = {T. 

 Kamran},
     title = {Noncommuting 

 $f${--Contraction} mappings},
     journal = {Novi Sad Journal of Mathematics},
     pages = {33-37},
     publisher = {mathdoc},
     volume = {34},
     number = {1},
     year = {2004},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2004_34_1a_3/}
}