V. Kaliuzhnyi, V. Levchenko, O. Kaliuzhnyi, and S. Sytnyk, “Options of crimping in a container and matrices of a special profile of axysymmetric hollow billets made of C60 steel”, Mech. Adv. Technol., vol. 7, no. 1 (97), pp. 68–74, Apr. 2023.