%0 Journal Article %A N. A. Nosyrev %A E. N. Treushnikov %A V. V. Ilyukhin %A N. V. Belov %T On crystalline structure of $\mathrm{Na}$, $\mathrm{Zr}$-oxyorthogermanate, $\mathrm{Na}_2\mathrm{ZrGeO}_5$ %J Doklady Akademii Nauk %D 1974 %P 82-85 %V 216 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1974_216_1_a18/ %G ru %F DAN_1974_216_1_a18