TY - JOUR AU - Van den Essen, Arno TI - The cokernel of the operator $\partial / \partial x_n$ acting on a $\mathcal {D}_n$-module, II JO - Compositio Mathematica PY - 1985 SP - 259 EP - 269 VL - 56 IS - 2 PB - Martinus Nijhoff Publishers UR - http://www.numdam.org/item/CM_1985__56_2_259_0/ LA - en ID - CM_1985__56_2_259_0 ER -