Submitted on: 17 January 2021.
Revised on: 25 March 2021.
Accepted on: 24 April 2021.
___________________Applicable Analysis and Discrete Mathematics
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Submitted on: 05 January 2007.
Revised on: 03 February 2007.
Accepted on: 19 February 2007.
___________________Applicable Analysis and Discrete Mathematics
Submitted on: 22 December 2008.
Revised on: 12 January 2009.
Accepted on: 01 February 2009.
___________________Applicable Analysis and Discrete Mathematics
Submitted on: 20 December 2006.
Revised on: 01 April 2007.
Accepted on: 30 May 2007.
___________________Applicable Analysis and Discrete Mathematics
Submitted on: 14 December 2001.
Revised on: 18 January 2002.
Accepted on: 14 February 2002.
___________________Applicable Analysis and Discrete Mathematics
Submitted on: 22 January 2022.
Revised on: 17 May 2022.
Accepted on: 06 July 2022.
___________________Applicable Analysis and Discrete Mathematics
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Submitted on: 30 September 2008.
Revised on: 21 October 2008.
Accepted on: 26 November 2008.
___________________Applicable Analysis and Discrete Mathematics
Submitted on: 04 May 2011.
Revised on: 20 July 2011.
Accepted on: 14 September 2011.
___________________Applicable Analysis and Discrete Mathematics