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In this paper,we consider the following linear periodic systems dx/dt=A(t)x and dx/dt=A(t)x f(t) First,we give some definitions about the periodic solutions of partial variables.Then we establish some criterions about existence. 相似文献
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ThePeriodicSolutionsofPartialVariablesforAnClassofLinearPeriodicSystems¥WangHut;LuMenglin(HenanUniversity)(ZhengzhouLightIndu... 相似文献
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