%0 Journal Article
%A Calixto Calderón
%T Differentiation through starlike sets in $R^{m}$
%J Studia Mathematica
%D 1973
%P 1-13
%V 48
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/sm-48-1-1-13/
%R 10.4064/sm-48-1-1-13
%G en
%F 10_4064_sm_48_1_1_13