%0 Journal Article %T SOLUTION OF PROBLEMS OF CURVED SURFACE APPROXIMATION BY LAYERS WITH CONSTANT AND VARIABLE CROSS-SECTIONS AT SHAPING WITH ADDITIVE METHODS %A Grechuhin, A.N. %A Kuc, V.V. %A Razumov, M.S. %K additive technologies, layer-by-layer synthesis, shaping, error %J Bulletin of Bryansk state technical university %D 2019 %N 2019 %P 2 %I Bryansk State Technical University