%0 Journal Article %A J. Hay %T Necessary Conditions for the Existence of Global Solutions of Higher-Order Nonlinear Ordinary Differential Inequalities %J Differencialʹnye uravneniâ %D 2002 %P 344-350 %V 38 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2002_38_3_a7/ %G ru %F DE_2002_38_3_a7