KOSTIUK, N.; TYMCHUK, V. RESEARCH ON THE STRESS-STRAIN STATE OF A PUNCH DURING HOLE PUNCHING IN THIN SHEET METAL USING NUMERICAL MODELING. Herald of Khmelnytskyi National University. Technical sciences 2025, 357 (5.1), 261-267. https://doi.org/10.31891/2307-5732-2025-357-32.