For citations:
Baranov G.I. INFLUENCE OF VARIABLE FRICTION FORCES ON SIZES OF SLIP, RETARDATION AND DEAD ZONES IN UPSETTING PROCESS. Izvestiya. Ferrous Metallurgy. 2017;60(9):691-697. (In Russ.) https://doi.org/10.17073/0368-0797-2017-9-691-697
Baranov G.I. INFLUENCE OF VARIABLE FRICTION FORCES ON SIZES OF SLIP, RETARDATION AND DEAD ZONES IN UPSETTING PROCESS. Izvestiya. Ferrous Metallurgy. 2017;60(9):691-697. (In Russ.) https://doi.org/10.17073/0368-0797-2017-9-691-697