%0 Journal Article
%A Valentino Magnani
%T Differentiability from the representation formula and
 the Sobolev–Poincaré inequality
%J Studia Mathematica
%D 2005
%P 251-272
%V 168
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/sm168-3-5/
%R 10.4064/sm168-3-5
%G en
%F 10_4064_sm168_3_5