%0 Journal Article %A Patrik Lundström %T The category of groupoid graded modules %J Colloquium Mathematicum %D 2004 %P 195-211 %V 100 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm100-2-4/ %R 10.4064/cm100-2-4 %G en %F 10_4064_cm100_2_4