Aftanaziv, I., L. . Shevchuk, O. Strohan, and L. Strutynska. “Increasing the Durability of the Gun Barrels by Strengthening the PPD of Their Inner”. Mechanics and Advanced Technologies, vol. 5, no. 3, Dec. 2021, pp. 314-2, doi:10.20535/2521-1943.2021.5.3.250163.