Submitted on: 03 November 2002.
Revised on: 09 February 2003.
Accepted on: 21 March 2003.
___________________JOURNAL OF NONLINEAR SCIENCE---SPRINGER
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Submitted on: 24 August 2010.
Revised on: 11 November 2010.
Accepted on: 01 January 2011.
___________________JOURNAL OF NONLINEAR SCIENCE---SPRINGER
Submitted on: 25 August 2000.
Revised on: 11 December 2000.
Accepted on: 20 January 2001.
___________________JOURNAL OF NONLINEAR SCIENCE---SPRINGER
http://reply.papertrans.cn/2/184/18354/18354-25.png
Submitted on: 07 April 2020.
Revised on: 29 June 2020.
Accepted on: 13 August 2020.
___________________JOURNAL OF NONLINEAR SCIENCE---SPRINGER
http://reply.papertrans.cn/2/184/18354/18354-27.png
Submitted on: 13 October 2002.
Revised on: 24 November 2002.
Accepted on: 06 December 2002.
___________________JOURNAL OF NONLINEAR SCIENCE---SPRINGER
Submitted on: 05 December 2010.
Revised on: 06 March 2011.
Accepted on: 03 April 2011.
___________________JOURNAL OF NONLINEAR SCIENCE---SPRINGER
Submitted on: 20 July 2005.
Revised on: 30 October 2005.
Accepted on: 22 November 2005.
___________________JOURNAL OF NONLINEAR SCIENCE---SPRINGER