Submitted on: 11 May 2017.
Revised on: 09 July 2017.
Accepted on: 29 July 2017.
___________________ARCHIVE FOR RATIONAL MECHANICS AND ANALYSIS
Submitted on: 06 February 2001.
Revised on: 08 April 2001.
Accepted on: 07 May 2001.
___________________ARCHIVE FOR RATIONAL MECHANICS AND ANALYSIS
Submitted on: 28 July 2016.
Revised on: 20 September 2016.
Accepted on: 03 October 2016.
___________________ARCHIVE FOR RATIONAL MECHANICS AND ANALYSIS
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Submitted on: 10 August 2017.
Revised on: 30 October 2017.
Accepted on: 07 December 2017.
___________________ARCHIVE FOR RATIONAL MECHANICS AND ANALYSIS
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Submitted on: 19 November 2009.
Revised on: 04 March 2010.
Accepted on: 18 March 2010.
___________________ARCHIVE FOR RATIONAL MECHANICS AND ANALYSIS
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