%0 Journal Article %A N. Aronszajn %T Differentiability of Lipschitzian mappings between Banach spaces %J Studia Mathematica %D 1976 %P 147-190 %V 57 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-57-2-147-190/ %R 10.4064/sm-57-2-147-190 %G en %F 10_4064_sm_57_2_147_190