%0 Journal Article %A C. V. Jensen %T Linear ODEs and $\mathcal D$-modules, solving and decomposing equations using symmetry methods %J Lobachevskii journal of mathematics %D 2005 %P 149-212 %V 17 %I mathdoc %U http://geodesic.mathdoc.fr/item/LJM_2005_17_a6/ %G en %F LJM_2005_17_a6