Submitted on: 08 April 2008.
Revised on: 04 July 2008.
Accepted on: 19 August 2008.
___________________Advances in Differential Equations
Submitted on: 20 December 2005.
Revised on: 08 April 2006.
Accepted on: 30 April 2006.
___________________Advances in Differential Equations
Submitted on: 01 January 2014.
Revised on: 13 March 2014.
Accepted on: 02 April 2014.
___________________Advances in Differential Equations
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Submitted on: 21 January 2004.
Revised on: 01 April 2004.
Accepted on: 20 April 2004.
___________________Advances in Differential Equations
Submitted on: 23 January 2018.
Revised on: 23 February 2018.
Accepted on: 09 March 2018.
___________________Advances in Differential Equations
Submitted on: 09 July 2007.
Revised on: 04 November 2007.
Accepted on: 09 December 2007.
___________________Advances in Differential Equations
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Submitted on: 04 September 2016.
Revised on: 17 December 2016.
Accepted on: 25 January 2017.
___________________Advances in Differential Equations
Submitted on: 13 May 2009.
Revised on: 28 July 2009.
Accepted on: 08 September 2009.
___________________Advances in Differential Equations