%0 Journal Article %A V. T. Aleksanyan %T The absorption spectra of some tetravalent uranium compounds at the liquid nitrogen temperature %J Doklady Akademii Nauk %D 1957 %P 333-335 %V 115 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_115_2_a34/ %G ru %F DAN_1957_115_2_a34