@article{SMJ2_2008_34_2_a5,
     author = {Argyros, Ioannis K. and Hilout, Sa{\"\i}d},
     title = {Steffensen {Methods} for {Solving} {Generalized} {Equations}},
     journal = {Serdica Mathematical Journal},
     pages = {455--466},
     year = {2008},
     volume = {34},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SMJ2_2008_34_2_a5/}
}