Kaliuzhnyi, V., L. Aliieva, O. Yarmolenko, and S. Sytnyk. “Hot Extrusion of High Carbon Steel Cone Hollow Products”. Mechanics and Advanced Technologies, vol. 6, no. 3, Dec. 2022, pp. 302-8, doi:10.20535/2521-1943.2022.6.3.269897.