%0 Journal Article %A L. I. Tsinober %A V. G. Balakirev %T Structural-geometric analysis of the model of $\alpha$-quartz Brazilian twin boundary %J Doklady Akademii Nauk %D 1981 %P 846-850 %V 259 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_259_4_a14/ %G ru %F DAN_1981_259_4_a14