具變號因子的某類高階微分方程的振動性研究.pdf

1、北方工業(yè)大學(xué)碩士學(xué)位論文具變號因子的某類高階微分方程的振動性研究姓名：郭芳申請學(xué)位級別：碩士專業(yè)：應(yīng)用數(shù)學(xué)指導(dǎo)教師：韓效宥20080515北方工業(yè)大學(xué)碩士學(xué)位論文ResearchesaboutmeOscillationsofCertainClassesofHigh—OrderDifferentialEquationsAbst礎(chǔ)’111eoscla乜onmeo巧oftheoDEisanlmport觚tbmchofstabilitytheo

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