Submitted on: 04 February 2009.
Revised on: 05 April 2009.
Accepted on: 17 April 2009.
___________________COMMUNICATIONS IN CONTEMPORARY MATHEMATICS
Submitted on: 17 March 2013.
Revised on: 23 May 2013.
Accepted on: 13 July 2013.
___________________COMMUNICATIONS IN CONTEMPORARY MATHEMATICS
Submitted on: 27 August 2021.
Revised on: 04 November 2021.
Accepted on: 07 December 2021.
___________________COMMUNICATIONS IN CONTEMPORARY MATHEMATICS
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Submitted on: 23 October 2009.
Revised on: 17 November 2009.
Accepted on: 29 December 2009.
___________________COMMUNICATIONS IN CONTEMPORARY MATHEMATICS
http://reply.papertrans.cn/1/61/6007/6007-26.png
Submitted on: 24 January 2012.
Revised on: 06 March 2012.
Accepted on: 22 April 2012.
___________________COMMUNICATIONS IN CONTEMPORARY MATHEMATICS
http://reply.papertrans.cn/1/61/6007/6007-28.png
Submitted on: 31 May 2020.
Revised on: 15 August 2020.
Accepted on: 28 September 2020.
___________________COMMUNICATIONS IN CONTEMPORARY MATHEMATICS
Submitted on: 12 August 2006.
Revised on: 01 October 2006.
Accepted on: 24 October 2006.
___________________COMMUNICATIONS IN CONTEMPORARY MATHEMATICS