%0 Journal Article %A Klaus Deimling %T On Approximate Solutions of Differential Equations in Banach Spaces. %J Mathematische Annalen %D 1974 %P 79-88 %V 212 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1974__212_182736/ %F MAN_1974__212_182736