Denisov, A. V.
Zhu, Dongqin
Article History
Received: 30 August 2022
Revised: 19 September 2022
Accepted: 19 September 2022
First Online: 7 February 2023
FUNDING
: This work was supported by the RF Ministry of Science and Higher Education of Russia a part of the program of the Moscow Center of Fundamental and Applied Mathematics, project no. 075-15-2022-284.