Submitted on: 01 March 2015.
Revised on: 16 March 2015.
Accepted on: 27 March 2015.
Mathematics and Financial Economics
Submitted on: 26 February 2007.
Revised on: 24 March 2007.
Accepted on: 31 March 2007.
Mathematics and Financial Economics
Submitted on: 08 December 2014.
Revised on: 02 January 2015.
Accepted on: 21 January 2015.
Mathematics and Financial Economics
Submitted on: 23 April 1999.
Revised on: 30 May 1999.
Accepted on: 24 June 1999.
Mathematics and Financial Economics
Submitted on: 31 January 2014.
Revised on: 03 March 2014.
Accepted on: 20 March 2014.
Mathematics and Financial Economics
Submitted on: 02 August 1999.
Revised on: 10 September 1999.
Accepted on: 27 September 1999.
Mathematics and Financial Economics
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http://reply.papertrans.cn/3/215/21488/21488-18.png
Submitted on: 09 February 2011.
Revised on: 12 March 2011.
Accepted on: 24 March 2011.
Mathematics and Financial Economics
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