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Journal: Symmetry, 2021
Volume: 13
Number: 722

Article: Second-Order Impulsive Delay Differential Systems: Necessary and Sufficient Conditions for Oscillatory or Asymptotic Behavior
Authors: by Shyam Sundar Santra, Khaled Mohamed Khedher, Osama Moaaz, Ali Muhib and Shao-Wen Yao

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