%0 Journal Article %A A. N. Weis %T The energy spectrum of chalcogen vacancies in the electron lead selenide from optical %J Doklady Akademii Nauk %D 1986 %P 1355-1360 %V 289 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1986_289_6_a16/ %G ru %F DAN_1986_289_6_a16