Li, Long-Xing http://orcid.org/0000-0003-2141-4475
Funding for this research was provided by:
Scientific and Technological Innovation Team of Nonlinear Analysis and Algebra with Their Applications in Universities of Yunnan Province, China (No.2020CXTD25)
Article History
Received: 18 October 2021
Accepted: 7 December 2021
First Online: 24 January 2022
Declaration
:
: The authors declare that there are no conflicts of interests with publication of this work.
: The authors ensure the compliance with ethical standards for this work.