%0 Journal Article %A Ph. Hartman %T On Dichotomies for Solutions of n-th Order Linear Differential Equations. %J Mathematische Annalen %D 1962 %P 378-421 %V 147 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1962__147_160980/ %F MAN_1962__147_160980