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On the Periodic solutions of a type Differential-iterative Equations.
  • 期刊名称：Chinese Science Bulletin,
  • 时间：0
  • 页码：1998,43(3):204-206.
  • 语言：英文
  • 相关项目：等变向量场的全局分支
作者： 郭谓高,刘正荣,俞元洪|
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等变向量场的全局分支
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