%0 Journal Article
%A B. M. Fain
%T Exciton condensation in momentum space under the action of optical pumping
%J Doklady Akademii Nauk
%D 1972
%P 322-323
%V 204
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1972_204_2_a17/
%G ru
%F DAN_1972_204_2_a17