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has been cited by the following article:
TITLE: New Oscillation Results for Forced Second Order Differential Equations with Mixed Nonlinearities
AUTHORS: Ercan Tunç, Adil Kaymaz
KEYWORDS: Generalized Variational Principle; Variational Principle; Second Order Differential Equations; Riccati Transformation; Oscillation
JOURNAL NAME: Applied Mathematics, Vol.3 No.2, February 23, 2012
ABSTRACT: Some new oscillation criteria are given for forced second order differential equations with mixed nonlinearities by using the generalized variational principle and Riccati technique. Our results generalize and extend some known oscillation results in the literature.