Bounded oscillations of linear and nonlinear delay-differential equations of even order.

*(English)*Zbl 0282.34027##### MSC:

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

34K99 | Functional-differential equations (including equations with delayed, advanced or state-dependent argument) |

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\textit{G. B. Gustafson}, J. Math. Anal. Appl. 46, 175--189 (1974; Zbl 0282.34027)

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##### References:

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[14] | {\scK. D. Shere}, Nonoscillation of second order linear differential equations with retarded argument, to appear. · Zbl 0253.34034 |

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