Submitted on: 24 August 2018.
Revised on: 15 September 2018.
Accepted on: 10 October 2018.
___________________Annals of PDE---SPRINGERNATURE
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Submitted on: 27 August 2007.
Revised on: 27 October 2007.
Accepted on: 20 December 2007.
___________________Annals of PDE---SPRINGERNATURE
Submitted on: 07 February 2008.
Revised on: 12 March 2008.
Accepted on: 28 April 2008.
___________________Annals of PDE---SPRINGERNATURE
http://reply.papertrans.cn/1/19/1839/1839-15.png
Submitted on: 05 September 2013.
Revised on: 13 October 2013.
Accepted on: 03 December 2013.
___________________Annals of PDE---SPRINGERNATURE
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Submitted on: 02 October 2024.
Revised on: 03 January 2025.
Accepted on: 21 January 2025.
___________________Annals of PDE---SPRINGERNATURE
Submitted on: 04 October 2011.
Revised on: 18 November 2011.
Accepted on: 10 December 2011.
___________________Annals of PDE---SPRINGERNATURE