%0 Journal Article
%A I. L. Rubanov
%T On the solution of a mixed boundary value problem for the Helmholtz equation in the exterior of a sphere
%J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki
%D 1977
%P 522-527
%V 17
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZVMMF_1977_17_2_a26/
%G ru
%F ZVMMF_1977_17_2_a26