%0 Journal Article %A B. S. Ènenstein %T On the equivalence of geoelectrical sections in the frequency-sounding method %J Doklady Akademii Nauk %D 1973 %P 597-600 %V 209 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1973_209_3_a21/ %G ru %F DAN_1973_209_3_a21