%0 Journal Article %A Yu. Yu. Zhitkovskii %T Properties of sound signals reflected from the ocean surface %J Doklady Akademii Nauk %D 1969 %P 334-337 %V 188 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_188_2_a18/ %G ru %F DAN_1969_188_2_a18