共 50 条
- [1] Sufficient conditions for oscillation of second order nonlinear differential equations [J]. PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON DIFFERENTIAL EQUATIONS AND COMPUTATIONAL SIMULATIONS, 2000, : 32 - 34
- [5] Necessary and sufficient conditions for the oscillation of forced nonlinear second order differential equations with delayed argument [J]. J Math Anal Appl, 1 (51-59):