By making use of the similar methods described in reference[1] , a series of criterions on the oscillatory properties of neutra l hyperbolic equations were established.
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研究一类变时滞的中立型双曲方程解的振动性质,利用与文献[1]相类似的方法和泛函微分方程的某些结果,建立了若干振动性的判别准则。
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