Submitted on: 29 January 2021.
Revised on: 16 April 2021.
Accepted on: 04 June 2021.
___________________Advances in Theoretical and Mathematical Physics
Submitted on: 29 May 2005.
Revised on: 09 July 2005.
Accepted on: 29 July 2005.
___________________Advances in Theoretical and Mathematical Physics
Submitted on: 22 August 2010.
Revised on: 24 September 2010.
Accepted on: 16 November 2010.
___________________Advances in Theoretical and Mathematical Physics
Submitted on: 09 April 2020.
Revised on: 14 May 2020.
Accepted on: 03 July 2020.
___________________Advances in Theoretical and Mathematical Physics
Submitted on: 02 August 2018.
Revised on: 26 September 2018.
Accepted on: 10 November 2018.
___________________Advances in Theoretical and Mathematical Physics
Submitted on: 30 April 2020.
Revised on: 04 June 2020.
Accepted on: 17 July 2020.
___________________Advances in Theoretical and Mathematical Physics