%0 Journal Article %A I. E. Svetov %T The method of approximate inverse for the Radon transform operator acting on functions and for the normal Radon transform operators acting on vector and symmetric $2$-tensor fields in $\mathbb{R}^3$ %J Sibirskie èlektronnye matematičeskie izvestiâ %D 2020 %P 1073-1087 %V 17 %I mathdoc %U http://geodesic.mathdoc.fr/item/SEMR_2020_17_a120/ %G ru %F SEMR_2020_17_a120