TY - JOUR AU - V. G. Maz'ya AU - S. A. Nazarov TI - The vertex of a cone can be nonregular in the Wiener sense for a fourth-order elliptic equation JO - Matematičeskie zametki PY - 1986 SP - 24 EP - 28 VL - 39 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1986_39_1_a2/ LA - ru ID - MZM_1986_39_1_a2 ER -