共 50 条
- [21] Sufficient and Necessary Conditions for Oscillation of nth-Order Differential Equation with Retarded Argument JOURNAL OF INEQUALITIES AND APPLICATIONS, 2009,
- [26] Necessary and sufficient conditions for oscillation of second-order differential equation with several delays STUDIA UNIVERSITATIS BABES-BOLYAI MATHEMATICA, 2023, 68 (02): : 319 - 330
- [29] Interval forced oscillation criterion of the second order nonlinear delay differential equations Dalian Ligong Daxue Xuebao, 2008, 4 (613-619):