TY - JOUR AU - V. B. Poruchikov TI - Exact solutions of three-dimensional problems of the diffraction of plane elastic waves by a wedge JO - Doklady Akademii Nauk PY - 1981 SP - 823 EP - 826 VL - 258 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1981_258_4_a12/ LA - ru ID - DAN_1981_258_4_a12 ER -