%0 Journal Article %A Jan-Erik Björk %T The Global Homological Dimension of Some Algebras of Differential Operators. %J Inventiones mathematicae %D 1972 %P 67-78 %V 17 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1972__17_142159/ %F IM_1972__17_142159