%0 Journal Article
%A A. I. Zhuk
%A V. P. Frolov
%T Quantum particle production in a~homogeneous isotropic universe from states described by a~density matrix
%J Teoretičeskaâ i matematičeskaâ fizika
%D 1983
%P 216-223
%V 55
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TMF_1983_55_2_a5/
%G ru
%F TMF_1983_55_2_a5