共 50 条
- [1] Oscillation criteria for second order nonlinear differential equations [J]. DIFFERENTIAL EQUATIONS: THEORY, NUMERICS AND APPLICATIONS, 1997, : 335 - 343
- [4] Oscillation criteria for nonlinear second order damped differential equations [J]. Acta Mathematica Hungarica, 2004, 102 : 117 - 140
- [9] Oscillation criteria for nonlinear second order differential equations with damping [J]. Acta Mathematica Hungarica, 2006, 110 : 241 - 252