%0 Journal Article %A A. P. Nikol'skii %T On the geographic distribution of radio blackouts in high latitudes %J Doklady Akademii Nauk %D 1957 %P 628-631 %V 112 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_112_4_a16/ %G ru %F DAN_1957_112_4_a16