%0 Journal Article %A Hauser, Herwig %T Comparing modules of differential operators by their evaluation on polynomials %J Compositio Mathematica %D 1989 %P 295-307 %V 69 %N 3 %I Kluwer Academic Publishers %U http://www.numdam.org/item/CM_1989__69_3_295_0/ %G en %F CM_1989__69_3_295_0