@article{CMUC_1964__5_2_a0,
     author = {Chen, Kuo-Wang},
     title = {Generalization of {Steffensen's} method for operator equations in {Banach} space},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {47--77},
     publisher = {mathdoc},
     volume = {05},
     number = {2},
     year = {1964},
     mrnumber = {0169399},
     zbl = {0191.14704},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1964__5_2_a0/}
}