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http://reply.papertrans.cn/1/97/9602/9602-23.png
Submitted on: 19 September 2019.
Revised on: 16 December 2019.
Accepted on: 25 January 2020.
___________________Extremes---SPRINGER
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Submitted on: 22 December 2005.
Revised on: 24 March 2006.
Accepted on: 05 May 2006.
___________________Extremes---SPRINGER
http://reply.papertrans.cn/1/97/9602/9602-28.png
Submitted on: 27 August 2007.
Revised on: 16 September 2007.
Accepted on: 29 October 2007.
___________________Extremes---SPRINGER
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