%0 Journal Article %A L. Cavalier %A Yu. F. Golubev %A O. V. Lepskiǐ %A A. Tsybakov %T Block thresholding and sharp adaptive estimation in severely ill-posed inverse problems %J Teoriâ veroâtnostej i ee primeneniâ %D 2003 %P 534-556 %V 48 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_2003_48_3_a5/ %G en %F TVP_2003_48_3_a5