Necessary and sufficient condition for oscillation of nonlinear neutral first-order differential equations with several delays
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DOI: 10.1007/s11784-018-0506-9
Abstract: In this work, necessary and sufficient conditions for oscillations of the solutions of a class of nonlinear neutral first-order differential equations with several delays of the form $$\begin{aligned} \frac{\mathrm {d}}{\mathrm {d}t}[x(t)+r(t)x(t-\tau )]+ \sum _{i=1}^m \phi… read more here.
Keywords: first order; nonlinear neutral; neutral first; necessary sufficient ... See more keywords