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Submitted on: 15 July 2003.
Revised on: 06 November 2003.
Accepted on: 28 November 2003.
___________________IMA JOURNAL OF NUMERICAL ANALYSIS
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Submitted on: 20 May 2018.
Revised on: 21 July 2018.
Accepted on: 25 August 2018.
___________________IMA JOURNAL OF NUMERICAL ANALYSIS
Submitted on: 31 March 2004.
Revised on: 29 May 2004.
Accepted on: 22 July 2004.
___________________IMA JOURNAL OF NUMERICAL ANALYSIS
Submitted on: 24 June 2006.
Revised on: 04 October 2006.
Accepted on: 17 November 2006.
___________________IMA JOURNAL OF NUMERICAL ANALYSIS
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Submitted on: 21 January 2023.
Revised on: 11 March 2023.
Accepted on: 19 April 2023.
___________________IMA JOURNAL OF NUMERICAL ANALYSIS