%0 Journal Article %A B. S. Ènenstein %A A. G. Tarkhnishvili %T On the efficiency of different electromagnetic methods of geological explorations %J Doklady Akademii Nauk %D 1980 %P 70-73 %V 250 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1980_250_1_a16/ %G ru %F DAN_1980_250_1_a16