For citations:
Trofi mov V.N., Shtutsa M.G., Ahischuk D.S., Eseneev A.V., Kuznetsova T.V. PROFILING CHANNEL DRAWING TOOLS WITH THE CHANNEL OF TWO CONES. Izvestiya. Ferrous Metallurgy. 2013;56(7):45-48. (In Russ.) https://doi.org/10.17073/0368-0797-2013-7-45-48