@article{CMJ_2003_53_1_a15,
     author = {Naidu, S. V. R.},
     title = {Some fixed point theorems in metric spaces by altering distances},
     journal = {Czechoslovak Mathematical Journal},
     pages = {205--212},
     year = {2003},
     volume = {53},
     number = {1},
     mrnumber = {1962009},
     zbl = {1013.54011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2003_53_1_a15/}
}