%0 Journal Article %A D. Yu. Grigor'ev %T Complexity of the factorization of a linear ordinary differential %J Doklady Akademii Nauk %D 1988 %P 16-20 %V 303 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1988_303_1_a1/ %G ru %F DAN_1988_303_1_a1