Nga, N. Q.
Tri, N. M.
Tuan, D. A.
Funding for this research was provided by:
International Center for Research and Post-graduate Training in Mathematics-Institute of Mathematics - Vietnam Academy of Science and Technology (ICRTM01 2021.03, ICRTM01 2021.03, ICRTM01 2021.03)
Article History
Received: 10 September 2023
Revised: 17 January 2024
Accepted: 26 January 2024
First Online: 4 March 2024
Declarations
:
: The authors declare no competing interests.