%0 Journal Article %A G. T. Petrovskiǐ %A D. M. Yudin %T Revision of the $E'$-center model for silica %J Doklady Akademii Nauk %D 1978 %P 578-581 %V 240 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1978_240_3_a20/ %G ru %F DAN_1978_240_3_a20