Submitted on: 27 December 2018.
Revised on: 03 February 2019.
Accepted on: 08 March 2019.
___________________COMMUNICATIONS IN CONTEMPORARY MATHEMATICS
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Submitted on: 17 February 2004.
Revised on: 24 May 2004.
Accepted on: 08 July 2004.
___________________COMMUNICATIONS IN CONTEMPORARY MATHEMATICS
Submitted on: 22 August 2001.
Revised on: 15 September 2001.
Accepted on: 09 October 2001.
___________________COMMUNICATIONS IN CONTEMPORARY MATHEMATICS
Submitted on: 12 August 2007.
Revised on: 16 September 2007.
Accepted on: 19 October 2007.
___________________COMMUNICATIONS IN CONTEMPORARY MATHEMATICS
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Submitted on: 13 August 2018.
Revised on: 08 October 2018.
Accepted on: 21 October 2018.
___________________COMMUNICATIONS IN CONTEMPORARY MATHEMATICS