%0 Journal Article %A A. A. Matskovskiy %T Short wave point source near a~unhomogenous halfplane %J Zapiski Nauchnykh Seminarov POMI %D 2012 %P 107-120 %V 409 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2012_409_a6/ %G ru %F ZNSL_2012_409_a6