TY JOUR TI INCREASE OF EFFECTIVENESS AND TECHNOLOGICAL POTENTIALITIES OF FINISHING-STRENGTHENING KW finishing-strengthening KW executive organ KW combined rotor KW triangular surface KW perimeter KW charging mass JO Bulletin of Bryansk state technical university AU Lebedev, V.A. AU Serga, G.V. PY 2019 IS 2019 PB Bryansk State Technical University