Maslova, Natalia V. https://orcid.org/0000-0001-6574-5335
Panshin, Viktor V. https://orcid.org/0000-0002-1934-6621
Staroletov, Alexey M. https://orcid.org/0000-0002-3914-6758
Funding for this research was provided by:
Ministry of Science and Higher Education of the Russian Federation (project 075-02-2023-935 for the development of the regional scientific and educational mathematical center ”Ural Mathematical Center”)
Ministry of Science and Higher Education of the Russian Federation (Agreement No. 075-15-2022-281 with Mathematical Center in Akademgorodok)
Russian Academy of Sciences Fundamental Research Program (project FWNF-2022-0002)
Article History
Received: 3 February 2023
Revised: 30 May 2023
Accepted: 18 July 2023
First Online: 23 August 2023
Declarations
:
: The authors declare no competing interests.