%0 Journal Article %A Yu. Kh. Vekilov %A G. R. Umarov %A V. V. Burmistrov %A A. A. Firsanov %T Electronic and atomic structure of $\mathrm{Si}$ and $\mathrm{Ge}$ surfaces covered with $\mathrm{Ag}$ or $\mathrm{Al}$ %J Doklady Akademii Nauk %D 1987 %P 845-847 %V 293 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1987_293_4_a17/ %G ru %F DAN_1987_293_4_a17