%0 Journal Article %A N. N. Sirota %A A. M. Kuzmina %T Electron density and potential distribution in the crystal lattice of beryllium oxide %J Doklady Akademii Nauk %D 1991 %P 639-644 %V 317 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1991_317_3_a30/ %G ru %F DAN_1991_317_3_a30