Sydorchuk О. М., Myroniuk Л. А., Myroniuk Д. В., Gogaev К. О., and Radchenko О. К. 2020. “Increased Stability Die Forged Steel 4H4N5M4”. Scientific Technical Journal ‘’Metal Science and Treatment of Metals’’ 26 (4):30-38. https://doi.org/10.15407/mom2020.04.030.