@article{Korobova2016cold,
author={Korobova, N.. and Dmitriev, A.. and Tolmachev, N..},
title={Cold extrusion of conical cups with cylindrical cavity},
journal={Science intensive technologies in mechanical engineering},
publisher={Bryansk State Technical University},
year={2016},
pages={8-14},
volume={1},
issue={1},
}