%0 Journal Article %A V. V. Sobolev %T The shape of the exciton absorption lines of a cuprous oxide crystal %J Doklady Akademii Nauk %D 1965 %P 803-805 %V 165 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_165_4_a20/ %G ru %F DAN_1965_165_4_a20