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Submitted on: 05 July 2024.
Revised on: 09 October 2024.
Accepted on: 03 November 2024.
___________________International Journal of Mathematics and Physics
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Submitted on: 07 November 2009.
Revised on: 12 February 2010.
Accepted on: 14 March 2010.
___________________International Journal of Mathematics and Physics
Submitted on: 01 March 2011.
Revised on: 21 June 2011.
Accepted on: 04 August 2011.
___________________International Journal of Mathematics and Physics
Submitted on: 26 August 2016.
Revised on: 05 November 2016.
Accepted on: 15 November 2016.
___________________International Journal of Mathematics and Physics
Submitted on: 12 January 2011.
Revised on: 15 March 2011.
Accepted on: 03 May 2011.
___________________International Journal of Mathematics and Physics
Submitted on: 27 February 2011.
Revised on: 20 March 2011.
Accepted on: 12 May 2011.
___________________International Journal of Mathematics and Physics
Submitted on: 23 October 2018.
Revised on: 19 January 2019.
Accepted on: 14 February 2019.
___________________International Journal of Mathematics and Physics