Letsios, Vasileios A. http://orcid.org/0000-0001-9637-9702
Funding for this research was provided by:
WW Smith Fund and Department of Mathematics, University of York, UK
Article History
Received: 2 February 2023
Revised: 7 June 2023
Accepted: 10 June 2023
First Online: 3 July 2023
Declaration
:
: On behalf of all authors, the corresponding author states that there is no conflict of interest.