Kaliuzhniy, V.L., Yarmolenko, O.S. and Malii, K.V. 2020. Hot stamping of steel hollow forgings with intensive plastic deformation walls and bottom. Materials working by pressure. 1(50) (Mar. 2020), 98–103. DOI:https://doi.org/10.37142/2076-2151/2020-1(50)98.