%0 Journal Article %A A. A. Druzhinin %A P. V. Elyutin %T On the localization of the excitonic states in structurally disordered systems %J Doklady Akademii Nauk %D 1981 %P 91-93 %V 259 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_259_1_a21/ %G ru %F DAN_1981_259_1_a21