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Continue to ChatOscillation Results for a Class of Fourth-OrderNonlinear Differential Equations with Positive andNegative Coefficients - https://avesis.erciyes.edu.tr/yayin/3eead746-5be5-4985-9ac5-87a05c51520a/oscillation-results-for-a-class-of-fourth-ordernonlinear-differential-equations-with-positive-andnegative-coefficients