%0 Journal Article %A William N. Everitt %A Magnus Giertz %T Some Inequalities Associated with Certain Ordinary Differential Operators. %J Mathematische Zeitschrift %D 1972 %P 308-326 %V 126 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1972__126_171743/ %F MZ_1972__126_171743