%0 Journal Article %A V. S. Gostev %A R. F. Shvachko %T Experimental investigation of sound signals detected in the shadow zone %J Doklady Akademii Nauk %D 1985 %P 1082-1085 %V 282 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1985_282_5_a12/ %G ru %F DAN_1985_282_5_a12