%0 Journal Article %A Gerd Herzog %A Roland Lemmert %T Second order differential inequalities in Banach spaces %J Annales Polonici Mathematici %D 2001 %P 69-78 %V 77 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap77-1-6/ %R 10.4064/ap77-1-6 %G en %F 10_4064_ap77_1_6