%0 Journal Article %A H. WALLIN %T Hausdorff Measures and Generalized Differentiation. %J Mathematische Annalen %D 1969 %P 275-286 %V 183 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1969__183_161897/ %F MAN_1969__183_161897