%0 Journal Article %A H. Z. Gurarii %T Certain data on the nature of geomagnetic field during inversions period %J Doklady Akademii Nauk %D 1968 %P 1065-1068 %V 178 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1968_178_5_a17/ %G ru %F DAN_1968_178_5_a17