%0 Journal Article %A Walcher, Sebastian %A Zanders, Christian %T Strong monotonicity for analytic ordinary differential equations %J Electronic Journal of Differential Equations %D 2009 %V 2009 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2009__2009__a48/ %G en %F EJDE_2009__2009__a48