Khánh, Huỳnh Việt http://orcid.org/0000-0002-2109-4611
Funding for this research was provided by:
Vietnam Institute for Advanced Study in Mathematics
Vietnam Ministry of Education and Training (B2024-CTT-02)
Article History
Received: 21 June 2023
Accepted: 1 February 2024
First Online: 16 February 2024
Declarations
:
: The author declares no competing interests.