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Submitted on: 08 October 2015.
Revised on: 04 January 2016.
Accepted on: 29 January 2016.
___________________INTERNATIONAL JOURNAL OF MODERN PHYSICS A
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http://reply.papertrans.cn/2/138/13793/13793-34.png
Submitted on: 01 October 2008.
Revised on: 11 January 2009.
Accepted on: 10 February 2009.
___________________INTERNATIONAL JOURNAL OF MODERN PHYSICS A
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