@article{NSJOM_2007_37_2a_19,
     author = {Dj. Herceg and D. Herceg},
     title = {Some 

 fourth-order methods for nonlinear equations},
     journal = {Novi Sad Journal of Mathematics},
     pages = {241-247},
     publisher = {mathdoc},
     volume = {37},
     number = {2},
     year = {2007},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2007_37_2a_19/}
}