%0 Journal Article %A M. V. Fedoryuk %T Asymptotics of the solution of the Dirichlet problem for the Laplace and Helmholtz equations in the exterior of a~slender cylinder %J Izvestiya. Mathematics %D 1982 %P 145-161 %V 18 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1982_18_1_a7/ %G en %F IM2_1982_18_1_a7