Authors
Volodymyr Malashchenko
Institute of Mechanical Engineering and Transport, Lviv Polytechnic National University, Department of Technical Mechanics and Engineering Graphics, Lviv, Ukraine
Roman Protasov
Faculty of Mechanical Engineering, Slovak University of Technology in Bratislava, Institute of Applied Mechanics and Mechatronics, Bratislava, Slovakia
Olena Lanets
Institute of Mechanical Engineering and Transport, Lviv Polytechnic National University, Department of Technical Mechanics and Engineering Graphics, Lviv, Ukraine
Bohdan Lysiak
DROHOBYTSKA MASHYNOBUDIVNA KOMPANIYA, Ukraine