Submitted on: 13 July 1999.
Revised on: 02 October 1999.
Accepted on: 23 November 1999.
___________________INTERNATIONAL JOURNAL OF MODERN PHYSICS E
Submitted on: 19 August 2024.
Revised on: 30 November 2024.
Accepted on: 02 January 2025.
___________________INTERNATIONAL JOURNAL OF MODERN PHYSICS E
Submitted on: 14 January 2022.
Revised on: 17 February 2022.
Accepted on: 28 March 2022.
___________________INTERNATIONAL JOURNAL OF MODERN PHYSICS E
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Submitted on: 30 December 2020.
Revised on: 10 February 2021.
Accepted on: 20 February 2021.
___________________INTERNATIONAL JOURNAL OF MODERN PHYSICS E
Submitted on: 16 November 2012.
Revised on: 11 February 2013.
Accepted on: 11 April 2013.
___________________INTERNATIONAL JOURNAL OF MODERN PHYSICS E
Submitted on: 19 July 2018.
Revised on: 28 October 2018.
Accepted on: 21 November 2018.
___________________INTERNATIONAL JOURNAL OF MODERN PHYSICS E
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