%0 Journal Article %A Victor Bible %T Using boundaries to find smooth norms %J Studia Mathematica %D 2014 %P 169-181 %V 224 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm224-2-5/ %R 10.4064/sm224-2-5 %G en %F 10_4064_sm224_2_5