Submitted on: 02 March 2007.
Revised on: 30 March 2007.
Accepted on: 25 April 2007.
___________________Communications in Nonlinear Science and Numerical Simulation
Submitted on: 15 June 2019.
Revised on: 07 July 2019.
Accepted on: 06 August 2019.
___________________Communications in Nonlinear Science and Numerical Simulation
Submitted on: 02 October 2018.
Revised on: 23 October 2018.
Accepted on: 07 November 2018.
___________________Communications in Nonlinear Science and Numerical Simulation
http://reply.papertrans.cn/1/61/6016/6016-14.png
Submitted on: 03 August 2008.
Revised on: 30 September 2008.
Accepted on: 13 October 2008.
___________________Communications in Nonlinear Science and Numerical Simulation
Submitted on: 08 February 2007.
Revised on: 23 March 2007.
Accepted on: 17 May 2007.
___________________Communications in Nonlinear Science and Numerical Simulation
Submitted on: 28 December 2009.
Revised on: 25 April 2010.
Accepted on: 06 June 2010.
___________________Communications in Nonlinear Science and Numerical Simulation
http://reply.papertrans.cn/1/61/6016/6016-18.png
Submitted on: 26 August 2001.
Revised on: 23 September 2001.
Accepted on: 10 October 2001.
___________________Communications in Nonlinear Science and Numerical Simulation
Submitted on: 09 April 1999.
Revised on: 14 July 1999.
Accepted on: 11 August 1999.
___________________Communications in Nonlinear Science and Numerical Simulation