@article{NSJOM_1983_13_Nonea_7,
     author = {Radu Viorel},
     title = {On the t-norms of~ the {Had\v{z}i\'c} 

 type and fixed points in probabilistic metric spaces},
     journal = {Novi Sad Journal of Mathematics},
     pages = {81-85},
     publisher = {mathdoc},
     volume = {13},
     year = {1983},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1983_13_Nonea_7/}
}