%0 Journal Article %A Nashed, Zuhair M. %T Higher order differentiability of nonlinear operators on normed spaces. I. %J Commentationes Mathematicae Universitatis Carolinae %D 1969 %P 509-533 %V 10 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1969__10_3_a9/ %G en %F CMUC_1969__10_3_a9