%0 Journal Article %A N. N. Sirota %A K. Zh. Zhambaybekov %T X-ray diffraction measurements of compressibility of $\mathrm{YBa}_2\mathrm{Cu}_3\mathrm{O}_{6+\delta}$ %J Doklady Akademii Nauk %D 1993 %P 734-736 %V 329 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1993_329_6_a13/ %G ru %F DAN_1993_329_6_a13