@article{NSJOM_2005_35_1a_12,
     author = {Lj. Gaji\'c},
     title = {Metric 

 locally constant function on some subset of ultrametric space},
     journal = {Novi Sad Journal of Mathematics},
     pages = {123-125},
     publisher = {mathdoc},
     volume = {35},
     number = {1},
     year = {2005},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2005_35_1a_12/}
}