%0 Journal Article %A P. A. Krutitskii %T A mixed problem for the Helmholtz equation outside cuts on the plane %J Differencialʹnye uravneniâ %D 1996 %P 1202-1211 %V 32 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1996_32_9_a6/ %G ru %F DE_1996_32_9_a6