TY - JOUR AU - G. V. Zhdanova TI - The Dirichlet problem for the Helmholtz operator in the exterior of a thin body of revolution JO - Differencialʹnye uravneniâ PY - 1984 SP - 1403 EP - 1411 VL - 20 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1984_20_8_a13/ LA - ru ID - DE_1984_20_8_a13 ER -