http://reply.papertrans.cn/3/235/23409/23409-11.png
Submitted on: 08 January 2013.
Revised on: 17 February 2013.
Accepted on: 22 February 2013.
Nuovo Cimento C-Colloquia and Communications in Physics
Submitted on: 12 May 1998.
Revised on: 01 June 1998.
Accepted on: 19 June 1998.
Nuovo Cimento C-Colloquia and Communications in Physics
Submitted on: 05 January 2023.
Revised on: 03 February 2023.
Accepted on: 12 February 2023.
Nuovo Cimento C-Colloquia and Communications in Physics
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http://reply.papertrans.cn/3/235/23409/23409-16.png
Submitted on: 22 December 2009.
Revised on: 21 January 2010.
Accepted on: 14 February 2010.
Nuovo Cimento C-Colloquia and Communications in Physics
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