Submitted on: 29 March 2007.
Revised on: 24 June 2007.
Accepted on: 29 July 2007.
___________________DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS
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Submitted on: 23 January 2007.
Revised on: 18 February 2007.
Accepted on: 05 April 2007.
___________________DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS
Submitted on: 25 August 2022.
Revised on: 17 October 2022.
Accepted on: 09 November 2022.
___________________DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS
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Submitted on: 28 September 1998.
Revised on: 17 January 1999.
Accepted on: 07 February 1999.
___________________DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS
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Submitted on: 06 January 2002.
Revised on: 10 April 2002.
Accepted on: 05 May 2002.
___________________DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS