%0 Journal Article %A P. Mattila %A P. V. Paramonov %T On Density Properties of the Riesz Capacities and the Analytic Capacity~$\gamma _+$ %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2001 %P 143-156 %V 235 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2001_235_a9/ %G en %F TM_2001_235_a9