%0 Journal Article %T FINISH-STRENGTHENING EFFECTIVENESS INCREASE BASED ON USE OF SCREW ROTORS WITH WAVE SURFACE ON PERIMETER %A Lebedev, V.A. %A Serga, G.V. %K finish-strengthening, combined rotor, operation body, wave surface, perimeter, loading weight %J Bulletin of Bryansk state technical university %D 2019 %N 2019 %P 6 %I Bryansk State Technical University