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Oscillation criteria for second order nonlinear perturbed differential equations. (English) Zbl 1211.34045

Summary: Sufficient conditions for the oscillation of the nonlinear second order differential equation
\[ (a(t)x^{\prime })^{\prime }+Q(t,x^{\prime})=P(t,x,x^{\prime }) \]
are established, where the coefficients are continuous and \(a(t)\) is nonnegative.

MSC:

34C10 Oscillation theory, zeros, disconjugacy and comparison theory for ordinary differential equations
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