%0 Journal Article
%A E. Stein
%A A. Zygmund
%T On the differentiability of functions
%J Studia Mathematica
%D 1963
%P 247-283
%V 23
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/sm-23-3-247-283/
%R 10.4064/sm-23-3-247-283
%G en
%F 10_4064_sm_23_3_247_283