[4] El-Sayed, M. A.:
An oscillation criterion for a forced second-order linear differential equation. Proc. Am. Math. Soc. 118 (1993), 813-817.
MR 1154243 |
Zbl 0777.34023
[5] Erbe, L., Hassan, T. S., Peterson, A.:
Oscillation of second order neutral delay differential equations. Adv. Dyn. Syst. Appl. 3 (2008), 53-71.
MR 2547661
[7] Kartsatos, A. G.:
On the maintenance of oscillation of $n$-th order equations under the effect of a small forcing term. J. Differ. Equations 10 (1971), 355-363.
DOI 10.1016/0022-0396(71)90058-1 |
MR 0288358
[8] Lakshmikantham, V., Sivasundaram, S., Kaymakçalan, B.:
Dynamic Systems on Measure Chains. Kluwer Academic Publishers, Dordrecht (1996).
MR 1419803 |
Zbl 0869.34039
[9] Mert, R., Zafer, A.:
Eventually positive solutions of second-order superlinear dynamic equations. Further progress in analysis. Proceedings of the 6th International ISAAC Congress, 13-18 August, 2007, Ankara, Turkey, World Scientific (2009), 535-544 H. G. W. Begehr et. al.
MR 2581655 |
Zbl 1185.34146
[10] Mert, R., Zafer, A.:
A necessary and sufficient condition for oscillation of second order sublinear delay dynamic equations. Discrete Contin. Dyn. Syst. Supplement Volume (2011), 1061-1067.
MR 3012907
[15] Yílmaz, Y. Şahiner, Zafer, A.:
Oscillation of even order nonlinear neutral differential equations with damping. Math. Inequal. Appl. 1 (1998), 445-451.
MR 1629420