%0 Journal Article %A I. V. Kolesnik %A V. A. Lebedev %A A. V. Garshev %T Optical properties and photocatalytic activity of nanocrystalline TiO$_2$ doped by 3d-metal ions %J Nanosistemy: fizika, himiâ, matematika %D 2018 %P 401-409 %V 9 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/NANO_2018_9_3_a12/ %G en %F NANO_2018_9_3_a12