%0 Journal Article %A B. G. Nikolaev %T The problem of constructing solutions of the Neumann problem for the stationary diffraction of waves from a~half space separated by an inclined boundary into two angular regions with different wave propagation speeds %J Zapiski Nauchnykh Seminarov POMI %D 1968 %P 168-191 %V 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1968_9_a8/ %G ru %F ZNSL_1968_9_a8