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Oscillatory and asymptotic behavior of delay differential equations with a nonlinear damping term. (English) Zbl 0769.34049
The author studies the oscillatory and asymptotic behavior of the solutions of some delay differential equations with a nonlinear damping term by comparing with certain differential equations of the same or lower order whose behavior is known.

MSC:
 34K99 Functional-differential equations (including equations with delayed, advanced or state-dependent argument) 34K20 Stability theory of functional-differential equations 34C10 Oscillation theory, zeros, disconjugacy and comparison theory for ordinary differential equations
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References:
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