Author Affiliations +
Gennadiy G. Bortnyk,1 Mikola V. Vasylkivskyi,1 Vasyl M. Kychak,1 Waldemar Wójcik,2 Piotr Kisała,2 Jacek Klimek,2 Mukhtar Junisbekov,3 Egor Gurov4
1Vinnytsia National Technical Univ. (Ukraine)
2Lublin Univ. of Technology (Poland)
3M.Kh. Dulaty Taraz State Univ. (Kazakhstan)
4National Research Univ. Higher School of Economics (Russian Federation)