%0 Journal Article %A A. N. Safronov %A N. N. Nevsky %A V. V. Ilyukhin %A N. V. Belov %T A new tetrahedral radical $[\mathrm{Ge}_5\mathrm{O}_{16}]$ in the structure of %J Doklady Akademii Nauk %D 1982 %P 850-853 %V 267 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1982_267_4_a20/ %G ru %F DAN_1982_267_4_a20