Submitted on: 23 June 2014.
Revised on: 25 July 2014.
Accepted on: 10 August 2014.
THEORETICAL AND MATHEMATICAL PHYSICS
Submitted on: 16 November 2004.
Revised on: 24 November 2004.
Accepted on: 09 December 2004.
THEORETICAL AND MATHEMATICAL PHYSICS
http://reply.papertrans.cn/3/294/29389/29389-13.png
Submitted on: 17 July 2002.
Revised on: 06 August 2002.
Accepted on: 23 August 2002.
THEORETICAL AND MATHEMATICAL PHYSICS
Submitted on: 08 April 2022.
Revised on: 05 May 2022.
Accepted on: 12 May 2022.
THEORETICAL AND MATHEMATICAL PHYSICS
http://reply.papertrans.cn/3/294/29389/29389-16.png
Submitted on: 19 September 2023.
Revised on: 29 September 2023.
Accepted on: 04 October 2023.
THEORETICAL AND MATHEMATICAL PHYSICS
http://reply.papertrans.cn/3/294/29389/29389-18.png
Submitted on: 02 May 1998.
Revised on: 09 June 1998.
Accepted on: 04 July 1998.
THEORETICAL AND MATHEMATICAL PHYSICS
http://reply.papertrans.cn/3/294/29389/29389-20.png