1. Taras Shevchenko National University of Kyiv,Doctor of Engineering Sciences, Mechanical and Mathematical Faculty,Department of Integral and Differential Equations,Kyiv,Ukraine
2. Taras Shevchenko National University of Kyiv,Doctor of Technical Sciences, Faculty of information tehnology,Department of Cyber Security and Information Protection,Kyiv,Ukraine
3. Taras Shevchenko National University of Kyiv,Candidate of Physics and Mathematics Sciences, Mechanical and Mathematical Faculty,Department of Algebra and Computer Mathematics,Kyiv,Ukraine