@article{NSJOM_1999_29_1a_5,
     author = {Y.J. 

 Cho and S.M. Kang and S.S. Kim},
     title = {Fixed 

 poihts in two metric spaces},
     journal = {Novi Sad Journal of Mathematics},
     pages = {47-53},
     publisher = {mathdoc},
     volume = {29},
     number = {1},
     year = {1999},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1999_29_1a_5/}
}