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Submitted on: 05 March 2009.
Revised on: 15 May 2009.
Accepted on: 15 June 2009.
___________________International Journal of Computer Mathematics- Computer Systems Theory
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Submitted on: 10 December 2003.
Revised on: 18 March 2004.
Accepted on: 08 April 2004.
___________________International Journal of Computer Mathematics- Computer Systems Theory
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Submitted on: 15 January 2010.
Revised on: 07 April 2010.
Accepted on: 29 May 2010.
___________________International Journal of Computer Mathematics- Computer Systems Theory
Submitted on: 08 October 2022.
Revised on: 05 January 2023.
Accepted on: 23 February 2023.
___________________International Journal of Computer Mathematics- Computer Systems Theory
Submitted on: 21 October 2004.
Revised on: 20 January 2005.
Accepted on: 08 February 2005.
___________________International Journal of Computer Mathematics- Computer Systems Theory