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Submitted on: 28 December 2008.
Revised on: 08 January 2009.
Accepted on: 18 January 2009.
Numerical Analysis and Applications
Submitted on: 31 January 2008.
Revised on: 09 March 2008.
Accepted on: 21 March 2008.
Numerical Analysis and Applications
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Submitted on: 06 October 1998.
Revised on: 13 October 1998.
Accepted on: 08 November 1998.
Numerical Analysis and Applications