© 2022 Oleksandr H. Minchenko, Olena O. Khita, Olha V. Rudnytska, Yuliia V. Yefimova, Dariia O. Tsymbal, Dmytro O. Minchenko, Myroslava Y. Sliusar, Qiuxia He, Kechun Liu, published by Slovak Academy of Sciences, Mathematical Institute
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.