%0 Journal Article %A O. V. Yakubovich %A M. A. Simonov %A E. L. Belokoneva %A Yu. K. Egorov-Tismenko %A N. V. Belov %T Crystal structure of $\mathrm{Ca}$, $\mathrm{Mg}$-diortho-triborate (pyroborate) of kurchatovite, %J Doklady Akademii Nauk %D 1976 %P 837-840 %V 230 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1976_230_4_a22/ %G ru %F DAN_1976_230_4_a22