%0 Journal Article
%A J. Hay
%T Necessary Conditions for the Existence of Global Solutions of Systems of Higher-Order Nonlinear Ordinary Differential Equations and Inequalities
%J Differencialʹnye uravneniâ
%D 2003
%P 246-252
%V 39
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_2003_39_2_a10/
%G ru
%F DE_2003_39_2_a10