%0 Journal Article %A V. I. Kuzovatov %A A. M. Kytmanov %T Reflection principle for solutions of the Helmholtz equation in a half-space %J Sibirskij žurnal čistoj i prikladnoj matematiki %D 2012 %P 102-113 %V 12 %N 1 %U http://geodesic.mathdoc.fr/item/VNGU_2012_12_1_a6/ %G ru %F VNGU_2012_12_1_a6