TY  - JOUR
AU  - A. I. Zhuk
AU  - V. P. Frolov
TI  - Quantum particle production in a homogeneous isotropic universe from states described by a density matrix
JO  - Teoretičeskaâ i matematičeskaâ fizika
PY  - 1983
SP  - 216
EP  - 223
VL  - 55
IS  - 2
UR  - http://geodesic.mathdoc.fr/item/TMF_1983_55_2_a5/
LA  - ru
ID  - TMF_1983_55_2_a5
ER  -