%0 Journal Article %A G. P. Astrakhantsev %T Sharply directed propagation of Love-type surface waves %J Zapiski Nauchnykh Seminarov POMI %D 1968 %P 5-14 %V 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1968_9_a1/ %G ru %F ZNSL_1968_9_a1