Hay J

Publications in Math-Net.Ru

1. Necessary Conditions for the Existence of Global Solutions of Systems of Higher-Order Nonlinear Ordinary Differential Equations and Inequalities
   
   Differ. Uravn., 39:2 (2003),  246–252
2. Necessary Conditions for the Existence of Global Solutions of Higher-Order Nonlinear Ordinary Differential Inequalities
   
   Differ. Uravn., 38:3 (2002),  344–350
3. On Necessary Conditions for the Existence of Local Solutions to Singular Nonlinear Ordinary Differential Equations and Inequalities
   
   Mat. Zametki, 72:6 (2002),  924–935