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Submitted on: 22 May 1999.
Revised on: 02 July 1999.
Accepted on: 08 July 1999.
MATHEMATICAL FINANCE
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Submitted on: 13 March 2018.
Revised on: 07 April 2018.
Accepted on: 21 April 2018.
MATHEMATICAL FINANCE---WILEY
Submitted on: 07 April 2004.
Revised on: 11 May 2004.
Accepted on: 06 June 2004.
MATHEMATICAL FINANCE---WILEY