1. RadiospectroscopyO.Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of Ukraine Kharkiv Ukraine
2. School of Computer Sciences, School of Radiophysics, Biomedical Electronics and Computer SystemsV.N. Karazin Kharkiv National University Kharkiv Ukraine
3. V.N. Bakul Institute for Superhard Materials of NASU Kyiv Ukraine