Submitted on: 10 March 2016.
Revised on: 27 April 2016.
Accepted on: 08 May 2016.
___________________APPLIED MATHEMATICS AND MECHANICS-ENGLISH EDITION
Submitted on: 26 June 2021.
Revised on: 09 October 2021.
Accepted on: 24 November 2021.
___________________APPLIED MATHEMATICS AND MECHANICS-ENGLISH EDITION
Submitted on: 27 April 2003.
Revised on: 24 July 2003.
Accepted on: 02 September 2003.
___________________APPLIED MATHEMATICS AND MECHANICS-ENGLISH EDITION
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