References
- Zhang Q., Yan J.: Oscillation for a class of second order nonlinear differential equations with damping, Journal of Systems Science and Mathematical Science, 24 (2004) 296-302.(in Chinese)
- Zhang Q., Yan J.: Oscillation for a class of second order nonlinear differential equation with damping, Journal of Mathematics, 27 (2007) 455-460.(in Chinese)
- Cecchi M., Marini M.: Oscillatory and nonoscillatory behavior of a second order functional differential equation, Rocky Mount. J. Math., 22 (1992) 1259-1276. https://doi.org/10.1216/rmjm/1181072653
- Rogovchenko Yu.V.: On oscillation of a second order nonlinear delay differential equation, Funkcial. Ekvac., 43 (2000) 1-29.
- Ladde G.S., Lakshmikantham V. and Zhang B.G.: Oscillation Theory of Differential Equations with Deviating Arguments, Marcel Dekker, New York, 1987.
- Philos Ch.G.: A new criterion for the oscillatory and asymptotic behavior of delay differential equations, Bull. Acad. Pol. Sci. Ser. Sci. Mat., 39 (1981) 61-64.
- Philos Ch.G.: Oscillation theorems for linear differential equations of second order, Arch. Math., 53 (1989) 482-492. https://doi.org/10.1007/BF01324723
- Zhang Q., Wang L.: Oscillatory behavior of solutions for a class of second order nonlinear differential equation with perturbation, Acta Appl. Math., 110 (2010) 885-893. https://doi.org/10.1007/s10440-009-9483-8
- Zhang Q., Qiu F. and Gao L.: Oscillatory property of solutions for a class of second order nonlinear differential equations with perturbation, J. Appl. Math. Informatics, 28 (2010) 883-892.