V. F. Chekurin

Pidstryhach Institute for Applied Problems for Mechanics and Mathematics, National Academy of Sciences of Ukraine; Kujawy and Pomorze University in Bydgoszcz
3-b Naukova Str., 79060, Lviv, Ukraine; 55-57 Torunska Str., 85-023, Bydgoszcz, Poland

Articles published in Academic Journals of Lviv Polytechnic Publishing House