@article{NSJOM_1982_12_Nonea_13,
     author = {Herceg Dragoslav},
     title = {Exit criteria for some iterative 

 methods},
     journal = {Novi Sad Journal of Mathematics},
     pages = {139-149},
     year = {1982},
     volume = {12},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1982_12_Nonea_13/}
}