Kaliuzhnyi, Volodymyr, Volodymyr Levchenko, Oleksandr Kaliuzhnyi, and Stanislav Sytnyk. 2023. “Options of Crimping in a Container and Matrices of a Special Profile of Axysymmetric Hollow Billets Made of C60 Steel”. Mechanics and Advanced Technologies 7 (1 (97). Kyiv, Ukraine:68-74. https://doi.org/10.20535/2521-1943.2023.7.1.264790.