TY - JOUR AU - Chen, Kuo-Wang TI - Generalization of Steffensen's method for operator equations in Banach space JO - Commentationes Mathematicae Universitatis Carolinae PY - 1964 SP - 47 EP - 77 VL - 5 IS - 2 UR - http://geodesic.mathdoc.fr/item/CMUC_1964_5_2_a0/ LA - en ID - CMUC_1964_5_2_a0 ER -