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Submitted on: 03 July 2014.
Revised on: 31 July 2014.
Accepted on: 16 August 2014.
Mathematics and Financial Economics
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Submitted on: 28 September 2004.
Revised on: 22 October 2004.
Accepted on: 03 November 2004.
Mathematics and Financial Economics
Submitted on: 15 January 2010.
Revised on: 15 February 2010.
Accepted on: 05 March 2010.
Mathematics and Financial Economics
Submitted on: 07 October 2015.
Revised on: 18 October 2015.
Accepted on: 03 November 2015.
Mathematics and Financial Economics