Submitted on: 24 January 2022.
Revised on: 20 February 2022.
Accepted on: 12 April 2022.
___________________Journal of Dynamics and Differential Equations
Submitted on: 02 April 2023.
Revised on: 10 July 2023.
Accepted on: 06 August 2023.
___________________Journal of Dynamics and Differential Equations
http://reply.papertrans.cn/2/164/16365/16365-13.png
Submitted on: 05 March 2001.
Revised on: 29 April 2001.
Accepted on: 24 May 2001.
___________________Journal of Dynamics and Differential Equations
http://reply.papertrans.cn/2/164/16365/16365-15.png
Submitted on: 30 December 2015.
Revised on: 25 March 2016.
Accepted on: 16 May 2016.
___________________Journal of Dynamics and Differential Equations
http://reply.papertrans.cn/2/164/16365/16365-17.png
http://reply.papertrans.cn/2/164/16365/16365-18.png
Submitted on: 07 August 2023.
Revised on: 06 October 2023.
Accepted on: 18 November 2023.
___________________Journal of Dynamics and Differential Equations
Submitted on: 16 March 2007.
Revised on: 14 April 2007.
Accepted on: 12 May 2007.
___________________Journal of Dynamics and Differential Equations