Submitted on: 13 April 2019.
Revised on: 29 May 2019.
Accepted on: 26 July 2019.
___________________INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION
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Submitted on: 08 March 2020.
Revised on: 11 May 2020.
Accepted on: 07 June 2020.
___________________INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION
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Submitted on: 07 April 1999.
Revised on: 14 July 1999.
Accepted on: 07 August 1999.
___________________INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION
Submitted on: 21 November 2007.
Revised on: 02 March 2008.
Accepted on: 14 April 2008.
___________________INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION
Submitted on: 02 February 2008.
Revised on: 30 April 2008.
Accepted on: 25 May 2008.
___________________INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION
Submitted on: 10 April 2014.
Revised on: 09 May 2014.
Accepted on: 02 June 2014.
___________________INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION
Submitted on: 09 July 2001.
Revised on: 15 August 2001.
Accepted on: 12 September 2001.
___________________INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION
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