http://reply.papertrans.cn/1/78/7706/7706-11.png
http://reply.papertrans.cn/1/78/7706/7706-12.png
Submitted on: 07 September 2018.
Revised on: 03 October 2018.
Accepted on: 16 October 2018.
___________________DYNAMICAL SYSTEMS-AN INTERNATIONAL JOURNAL
http://reply.papertrans.cn/1/78/7706/7706-14.png
http://reply.papertrans.cn/1/78/7706/7706-15.png
Submitted on: 09 December 2020.
Revised on: 24 February 2021.
Accepted on: 16 April 2021.
___________________DYNAMICAL SYSTEMS-AN INTERNATIONAL JOURNAL
Submitted on: 22 July 2017.
Revised on: 23 August 2017.
Accepted on: 26 September 2017.
___________________DYNAMICAL SYSTEMS-AN INTERNATIONAL JOURNAL
Submitted on: 22 March 2000.
Revised on: 29 June 2000.
Accepted on: 18 August 2000.
___________________DYNAMICAL SYSTEMS-AN INTERNATIONAL JOURNAL
http://reply.papertrans.cn/1/78/7706/7706-19.png
http://reply.papertrans.cn/1/78/7706/7706-20.png