M. V. Popovych https://orcid.org/0000-0003-4019-9854 Ivan Franko National University of Lviv Ukraine
Ya. R. Shalai https://orcid.org/0000-0003-3205-9085 Ivan Franko National University of Lviv Ukraine
S. M. Mandzynets https://orcid.org/0000-0003-3053-628X Ivan Franko National University of Lviv Ukraine
N. E. Mitina https://orcid.org/0000-0002-9120-2091 Lviv Polytechnic National University Ukraine
O. S. Zaichenko https://orcid.org/0000-0002-7742-1984 Lviv Polytechnic National University Ukraine
A. M. Babsky https://orcid.org/0000-0001-5559-0456 Ivan Franko National University of Lviv Ukraine