Submitted on: 30 May 2017.
Revised on: 17 August 2017.
Accepted on: 14 October 2017.
___________________JOURNAL OF MATHEMATICAL CHEMISTRY
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Submitted on: 02 November 2002.
Revised on: 11 January 2003.
Accepted on: 03 February 2003.
___________________JOURNAL OF MATHEMATICAL CHEMISTRY
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Submitted on: 21 February 2021.
Revised on: 01 April 2021.
Accepted on: 05 May 2021.
___________________JOURNAL OF MATHEMATICAL CHEMISTRY
Submitted on: 01 November 2017.
Revised on: 04 February 2018.
Accepted on: 04 April 2018.
___________________JOURNAL OF MATHEMATICAL CHEMISTRY
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