%0 Journal Article %A V. W. Thürey %T A Generalization of the Euclidean Angle %J Journal of convex analysis %D 2013 %P 1025-1042 %V 20 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_2013_20_4_JCA_2013_20_4_a8/ %F JCA_2013_20_4_JCA_2013_20_4_a8