%0 Journal Article %A Swanepoel, Konrad J. %T Equilateral Sets and a Schütte Theorem forthe 4-norm %J Canadian mathematical bulletin %D 2014 %P 640-647 %V 57 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2013-031-0/ %R 10.4153/CMB-2013-031-0 %F 10_4153_CMB_2013_031_0