1. Chair and Institute of General Mechanics, RWTH Aachen University, Eilfschornsteinstraße 18, D-52062 Aachen, Germany
2. Department of Information Technology and Computer Engineering, Dnipro University of Technology, Dmytra Yavornytskoho Avenue, UA-49005 Dnipro, Ukraine
3. Department of Computer Technologies, Oles Honchar Dnipro National University, 72 Nauki Avenue, UA-49010 Dnipro, Ukraine