TY JOUR TI QUALITY SUPPORT OF PARTS MANUFACTURED BY MEANS OF ADDITIVE TECHNOLOGIES KW additive technologies KW 3D-printing KW photo-polymer KW technology KW quality KW roughness JO Bulletin of Bryansk state technical university AU Kulikov, M.Y. AU Larionov, M.A. AU Gusev, D.V. AU Shevchuk, E.O. PY 2020 IS 2020 PB Bryansk State Technical University