Submitted on: 08 June 2021.
Revised on: 15 July 2021.
Accepted on: 19 August 2021.
___________________Journal of the Korean Society for Industrial and Applied Mathematics
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Submitted on: 09 August 2002.
Revised on: 27 November 2002.
Accepted on: 17 January 2003.
___________________Journal of the Korean Society for Industrial and Applied Mathematics
Submitted on: 11 September 2014.
Revised on: 11 December 2014.
Accepted on: 05 February 2015.
___________________Journal of the Korean Society for Industrial and Applied Mathematics
Submitted on: 23 May 2015.
Revised on: 05 August 2015.
Accepted on: 28 August 2015.
___________________Journal of the Korean Society for Industrial and Applied Mathematics
Submitted on: 26 February 2002.
Revised on: 19 June 2002.
Accepted on: 17 August 2002.
___________________Journal of the Korean Society for Industrial and Applied Mathematics
Submitted on: 30 June 2001.
Revised on: 19 August 2001.
Accepted on: 14 October 2001.
___________________Journal of the Korean Society for Industrial and Applied Mathematics
Submitted on: 30 January 1998.
Revised on: 14 March 1998.
Accepted on: 25 April 1998.
___________________Journal of the Korean Society for Industrial and Applied Mathematics
Submitted on: 28 September 2005.
Revised on: 07 January 2006.
Accepted on: 06 March 2006.
___________________Journal of the Korean Society for Industrial and Applied Mathematics
Submitted on: 02 August 1999.
Revised on: 11 October 1999.
Accepted on: 01 November 1999.
___________________Journal of the Korean Society for Industrial and Applied Mathematics