%0 Journal Article %A T. M. Zimkina %A V. A. Fomichev %T Absorption spectrum of sulphur hexafluoride in the region of ultra-soft X-ray emission %J Doklady Akademii Nauk %D 1966 %P 1304-1306 %V 169 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1966_169_6_a16/ %G ru %F DAN_1966_169_6_a16