%0 Journal Article %A V. L. Popov %T The Cone of Hilbert Nullforms %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2003 %P 192-209 %V 241 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2003_241_a10/ %G ru %F TM_2003_241_a10