%0 Journal Article %A M. B. Gokhberg %A O. A. Pokhotelov %A E. B. Kacharyants %T On the generation of steady-state oscillations of geomagnetic field %J Doklady Akademii Nauk %D 1971 %P 568-571 %V 198 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_198_3_a21/ %G ru %F DAN_1971_198_3_a21