@article{NSJOM_2006_36_2a_13,
     author = {Lj. D. Petkovi\'c and M. S. Petkovi\'c},
     title = {On the fourth

 order root finding methods of {Euler's} type},
     journal = {Novi Sad Journal of Mathematics},
     pages = {157-165},
     publisher = {mathdoc},
     volume = {36},
     number = {2},
     year = {2006},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2006_36_2a_13/}
}