%0 Journal Article
%A Horst Martini
%A Zokhrab Mustafaev
%T Estimates on inner and outer radii of unit balls in normed spaces
%J Colloquium Mathematicum
%D 2011
%P 211-217
%V 123
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm123-2-5/
%R 10.4064/cm123-2-5
%G en
%F 10_4064_cm123_2_5