%0 Journal Article %A G. M. Nikol'skii %T Resonance lines of 304 $\mathring{\mathrm{A}}$ $\mathrm{He II}$ and 584 $\mathring{\mathrm{A}}$ $\mathrm{He I}$ on the Sun %J Doklady Akademii Nauk %D 1962 %P 809-812 %V 147 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1962_147_4_a16/ %G ru %F DAN_1962_147_4_a16