TY - JOUR AU - E. G. D'yakonov TI - On Spectral Problems in Energy Spaces on Composite Manifolds with Singular Geometry of the Blocks: III JO - Differencialʹnye uravneniâ PY - 2005 SP - 1375 EP - 1386 VL - 41 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2005_41_10_a9/ LA - ru ID - DE_2005_41_10_a9 ER -