%0 Journal Article %A V. F. Gordeev %A V. A. Krutikov %A S. Yu. Malyshkov %A V. I. Polivach %T Seasonal variations of frequency parameters of earth's natural pulsed electromagnetic field %J Vestnik KRAUNC. Fiziko-matematičeskie nauki %D 2020 %P 199-208 %V 33 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VKAM_2020_33_4_a16/ %G ru %F VKAM_2020_33_4_a16