%0 Journal Article %A A. G. Boganov %A V. S. Rudenko %A L. P. Makarov %T X-ray study of zirconium and hafnium dioxides at temperatures up to $2750^\circ$~ะก %J Doklady Akademii Nauk %D 1965 %P 1065-1068 %V 160 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_160_5_a22/ %G ru %F DAN_1965_160_5_a22