TY - JOUR AU - N. Aronszajn TI - Differentiability of Lipschitzian mappings between Banach spaces JO - Studia Mathematica PY - 1976 SP - 147 EP - 190 VL - 57 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-57-2-147-190/ DO - 10.4064/sm-57-2-147-190 LA - en ID - 10_4064_sm_57_2_147_190 ER -