%0 Journal Article %A E. G. D'yakonov %T On Spectral Problems in Energy Spaces on Composite Manifolds with Singular Geometry of the Blocks:~II %J Differencialʹnye uravneniâ %D 2004 %P 1096-1107 %V 40 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2004_40_8_a9/ %G ru %F DE_2004_40_8_a9