Submitted on: 19 October 2006.
Revised on: 07 December 2006.
Accepted on: 24 January 2007.
___________________Journal of Dynamical Systems and Geometric Theories
Submitted on: 25 February 2008.
Revised on: 08 May 2008.
Accepted on: 04 July 2008.
___________________Journal of Dynamical Systems and Geometric Theories
http://reply.papertrans.cn/2/164/16364/16364-13.png
http://reply.papertrans.cn/2/164/16364/16364-14.png
Submitted on: 18 May 2017.
Revised on: 22 June 2017.
Accepted on: 11 July 2017.
___________________Journal of Dynamical Systems and Geometric Theories
http://reply.papertrans.cn/2/164/16364/16364-16.png
Submitted on: 26 January 2013.
Revised on: 12 March 2013.
Accepted on: 23 March 2013.
___________________Journal of Dynamical Systems and Geometric Theories
Submitted on: 03 November 2018.
Revised on: 18 December 2018.
Accepted on: 08 February 2019.
___________________Journal of Dynamical Systems and Geometric Theories
Submitted on: 23 November 2024.
Revised on: 23 January 2025.
Accepted on: 14 March 2025.
___________________Journal of Dynamical Systems and Geometric Theories
http://reply.papertrans.cn/2/164/16364/16364-20.png