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【摘 要】
：
In this paper, we consider the following second-order nonlinear differential equations’ problem: a.e on Φ=[0, T] with a discontinuous perturbation and multiva
【机 构】
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FacultyofMathematicsandComputerScience
【出 处】
：
应用数学与应用物理(英文)
【发表日期】
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2019年6期
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