%0 Journal Article %A G. V. Zhdanova %T The Dirichlet problem for the Helmholtz operator in the exterior of a thin body of revolution %J Differencialʹnye uravneniâ %D 1984 %P 1403-1411 %V 20 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1984_20_8_a13/ %G ru %F DE_1984_20_8_a13