%0 Journal Article %A N. Radjabov %T Uniqueness theorems and analogues of Poisson's formula in the first octant for an equation of Helmholtz type with $n$ singular hyperplanes %J Doklady Akademii Nauk %D 1978 %P 804-807 %V 238 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1978_238_4_a9/ %G ru %F DAN_1978_238_4_a9