Submitted on: 04 August 2015.
Revised on: 21 October 2015.
Accepted on: 17 December 2015.
___________________Extremes---SPRINGER
http://reply.papertrans.cn/1/97/9601/9601-12.png
Submitted on: 14 August 2014.
Revised on: 03 November 2014.
Accepted on: 26 November 2014.
___________________Extremes---SPRINGER
http://reply.papertrans.cn/1/97/9601/9601-14.png
http://reply.papertrans.cn/1/97/9601/9601-15.png
Submitted on: 30 December 2021.
Revised on: 27 January 2022.
Accepted on: 04 March 2022.
___________________Extremes---SPRINGER
http://reply.papertrans.cn/1/97/9601/9601-17.png
Submitted on: 28 June 2018.
Revised on: 10 October 2018.
Accepted on: 19 November 2018.
___________________Extremes---SPRINGER
http://reply.papertrans.cn/1/97/9601/9601-19.png
http://reply.papertrans.cn/1/97/9601/9601-20.png