共 50 条
- [1] Necessary Conditions for the Existence of Global Solutions of Systems of Higher-Order Nonlinear Ordinary Differential Equations and Inequalities Differential Equations, 2003, 39 : 267 - 274
- [4] Necessary Conditions for the Existence of Global Solutions of Higher-Order Nonlinear Ordinary Differential Inequalities Differential Equations, 2002, 38 : 362 - 368
- [6] On Necessary Conditions for the Existence of Local Solutions to Singular Nonlinear Ordinary Differential Equations and Inequalities Mathematical Notes, 2002, 72 : 847 - 857