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Submitted on: 19 October 2002.
Revised on: 18 November 2002.
Accepted on: 26 December 2002.
___________________ACTA MECHANICA---SPRINGER WIEN
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Submitted on: 30 October 2021.
Revised on: 22 December 2021.
Accepted on: 07 February 2022.
___________________ACTA MECHANICA---SPRINGER WIEN
http://reply.papertrans.cn/1/4/371/371-28.png
Submitted on: 04 September 2000.
Revised on: 05 November 2000.
Accepted on: 19 November 2000.
___________________ACTA MECHANICA---SPRINGER WIEN
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