%0 Journal Article %A Wei Ma %A Liuqing Hua %T Two-step Ulm-type method for solving nonlinear operator equations %J Filomat %D 2021 %P 723 %V 35 %N 3 %U http://geodesic.mathdoc.fr/articles/10.2298/FIL2103723M/ %R 10.2298/FIL2103723M %G en %F 10_2298_FIL2103723M