Ánh, Phạm Ngọc
Funding for this research was provided by:
Nemzeti Kutatási Fejlesztési és Innovációs Hivatal (NKFIH K138828)
ELKH Alfréd Rényi Institute of Mathematics
Article History
Received: 12 August 2021
Accepted: 16 October 2021
First Online: 22 January 2022