%0 Journal Article %A Gunnar Sjödin %T On Filtered Modules and their Associated Graded Modules. %J Mathematica Scandinavica %D 1973 %P 229-249 %V 33 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1973__33_166327/ %F MS2_1973__33_166327