Submitted on: 04 December 2004.
Revised on: 08 January 2005.
Accepted on: 05 February 2005.
___________________Applied Mathematics in Science and Engineering
Submitted on: 17 June 2001.
Revised on: 08 August 2001.
Accepted on: 19 August 2001.
___________________Applied Mathematics in Science and Engineering
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Submitted on: 11 March 2000.
Revised on: 01 April 2000.
Accepted on: 28 May 2000.
___________________Applied Mathematics in Science and Engineering
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Submitted on: 29 January 2001.
Revised on: 16 May 2001.
Accepted on: 07 July 2001.
___________________Applied Mathematics in Science and Engineering
Submitted on: 05 September 2021.
Revised on: 26 September 2021.
Accepted on: 23 October 2021.
___________________Applied Mathematics in Science and Engineering
Submitted on: 04 February 2001.
Revised on: 11 April 2001.
Accepted on: 04 May 2001.
___________________Applied Mathematics in Science and Engineering