%0 Journal Article %A A. S. Bol'shakov %A G. M. Solodovnikov %T Intensity of the geomagnetic field in the geological past %J Doklady Akademii Nauk %D 1979 %P 323-326 %V 249 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1979_249_2_a15/ %G ru %F DAN_1979_249_2_a15