%0 Journal Article
%A B. U. Barshchevskii
%A G. M. Safronov
%T On the regularities of exciton states in $\mathrm{PbHal}_2$ and $\mathrm{TiHal}$
%J Doklady Akademii Nauk
%D 1976
%P 1065-1068
%V 228
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1976_228_5_a13/
%G ru
%F DAN_1976_228_5_a13