%0 Journal Article %A V. A. Babeshko %A Zh. F. Zinchenko %T On the theory of directional seismic antennas %J Doklady Akademii Nauk %D 1980 %P 1350-1353 %V 251 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1980_251_6_a15/ %G ru %F DAN_1980_251_6_a15