%0 Journal Article %A M. V. Fokin %T The existence of a singular spectrum and the asymptotic behavior of the solutions of the Sobolev problem %J Matematičeskie trudy %D 1994 %P 107-195 %V 26 %I mathdoc %U http://geodesic.mathdoc.fr/item/MT_1994_26_a5/ %G ru %F MT_1994_26_a5