TY - JOUR AU - Jan-Erik Björk TI - The Global Homological Dimension of Some Algebras of Differential Operators. JO - Inventiones mathematicae PY - 1972 SP - 67 EP - 78 VL - 17 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM_1972__17_142159/ ID - IM_1972__17_142159 ER -