Krotenko, G.A., Levchenko, V.N. and Tahan, L.V. 2020. Determination of power parameters of the extrusion process of cylindrical parts using square workpieces. Materials working by pressure. 1(50) (Mar. 2020), 130–135. DOI:https://doi.org/10.37142/2076-2151/2020-1(50)130.