%0 Journal Article %A B. S. Ènenstein %T The determination of geoelectrical section characteristics according to the curves of frequency sounding of $H$ and $A$ class %J Doklady Akademii Nauk %D 1973 %P 591-594 %V 210 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1973_210_3_a19/ %G ru %F DAN_1973_210_3_a19