Wu, Mengling
Wang, Zhi
Ge, Yongbin
Funding for this research was provided by:
National Natural Science Foundation of China (12161067, 12001015, 12261067)
National Natural Science Foundation of Ningxia (2022AAC02023)
National Youth Top-notch Talent Support Program of Ningxia
the First Class Discipline Construction Project in Ningxia Universities: Mathematics
Article History
Received: 27 August 2022
Accepted: 25 May 2023
First Online: 14 July 2023
Declarations
:
: The authors declare no potential conflict of interests.