Submitted on: 02 March 2022.
Revised on: 08 May 2022.
Accepted on: 03 July 2022.
___________________Journal of Numerical Mathematics
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Submitted on: 13 March 2011.
Revised on: 07 April 2011.
Accepted on: 06 June 2011.
___________________Journal of Numerical Mathematics
Submitted on: 19 July 2021.
Revised on: 06 September 2021.
Accepted on: 24 October 2021.
___________________Journal of Numerical Mathematics
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