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Submitted on: 25 January 2006.
Revised on: 07 March 2006.
Accepted on: 02 April 2006.
SIAM JOURNAL ON APPLIED DYNAMICAL SYSTEMS
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Submitted on: 16 April 2014.
Revised on: 28 April 2014.
Accepted on: 21 May 2014.
SIAM JOURNAL ON APPLIED DYNAMICAL SYSTEMS
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Submitted on: 03 November 2012.
Revised on: 17 December 2012.
Accepted on: 22 December 2012.
SIAM JOURNAL ON APPLIED DYNAMICAL SYSTEMS
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