Submitted on: 15 October 2000.
Revised on: 03 November 2000.
Accepted on: 15 November 2000.
MODERN PHYSICS LETTERS A---WORLD SCIENTIFIC PUBL CO PTE LTD
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Submitted on: 01 November 2012.
Revised on: 20 November 2012.
Accepted on: 12 December 2012.
MODERN PHYSICS LETTERS A
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Submitted on: 06 November 2018.
Revised on: 24 November 2018.
Accepted on: 17 December 2018.
MODERN PHYSICS LETTERS A---WORLD SCIENTIFIC PUBL CO PTE LTD
Submitted on: 13 March 2010.
Revised on: 28 March 2010.
Accepted on: 19 April 2010.
MODERN PHYSICS LETTERS A
Submitted on: 13 May 2020.
Revised on: 31 May 2020.
Accepted on: 22 June 2020.
MODERN PHYSICS LETTERS A---WORLD SCIENTIFIC PUBL CO PTE LTD
Submitted on: 22 April 1998.
Revised on: 20 May 1998.
Accepted on: 04 June 1998.
MODERN PHYSICS LETTERS A---WORLD SCIENTIFIC PUBL CO PTE LTD