%0 Journal Article %A S. A. Ivanov %A V. P. Mikhal'chenko %A Yu. N. Venevtsev %T Temperature dependence of the atomic root-mean-square displacements and the anharmonicity of oscillations of single sublatices in ferroelectrics with the perovskite structure %J Doklady Akademii Nauk %D 1979 %P 865-867 %V 248 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1979_248_4_a19/ %G ru %F DAN_1979_248_4_a19