%0 Journal Article %A E. V. Chernokozhin %A Yu. V. Shestopalov %T On the solvability of boundary value problems for the Helmholtz equation in an unbounded domain with a noncompact boundary %J Differencialʹnye uravneniâ %D 1998 %P 546-553 %V 34 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1998_34_4_a15/ %G ru %F DE_1998_34_4_a15