%0 Journal Article %A N. Ya. Kirpichnikova %T Rayleigh waves concentrated in the neighbourhood of a ray on surface of inhomogeneous elastic body %J Zapiski Nauchnykh Seminarov POMI %D 1969 %P 91-114 %V 15 %U http://geodesic.mathdoc.fr/item/ZNSL_1969_15_a5/ %G ru %F ZNSL_1969_15_a5