PANCHUK, V. H.; KARPYK, R. T.; KOSTIUK, N. O. The research for the influence of properties of punch material on performance and productivity of cold sheet stamping. Scientific Bulletin of Ivano-Frankivsk National Technical University of Oil and Gas, [S. l.], n. 1(50), p. 16–25, 2021. DOI: 10.31471/1993-9965-2021-1(50)-16-25. Disponível em: https://nv.nung.edu.ua/index.php/nv/article/view/749. Acesso em: 11 nov. 2026.