%0 Journal Article %A Holger Brenner %A Almar Kaid %A Uwe Storch %T Unitarily graded field extensions %J Acta Arithmetica %D 2007 %P 77-98 %V 126 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa126-1-4/ %R 10.4064/aa126-1-4 %G en %F 10_4064_aa126_1_4