@article{NSJOM_1982_12_Nonea_5,
     author = {Stojakovi\'c Mila},
     title = {A fixed point theorem in 

 probabilistic metric spaces},
     journal = {Novi Sad Journal of Mathematics},
     pages = {55-60},
     year = {1982},
     volume = {12},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1982_12_Nonea_5/}
}