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Authors
Xu, Hong Yan
Liu, San Yang
Wu, Zhao Jun
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Funding
Funding for this research was provided by:
National Natural Science Foundation of China (11561033, 61877046)
Natural Science Foundation of Jiangxi Province (20181BAB201001)
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Article History
Received: 31 May 2019
Accepted: 2 January 2020
First Online: 9 January 2020
Compliance with ethical standards
:
: The authors declare that none of the authors have any competing interests in the manuscript.
: HYX and SYL completed the main part of this article, HYX, SYL and ZJW corrected the main theorems. All authors gave final approval for publication.
