TY  - BOOK
AU  - Frolov, V. P.
AU  - Gitman, D. M.
TI  - Density matrix in quantum electrodynamics, equivalence principle and Hawking effect
T2  - Preprint
VL  - No. 15
PY  - 1977///
CY  - M.
KW  - Черные дыры
KW  - nlr_sh1
KW  - В678
KW  - rubbk
N2  - Библиогр.: с. 11
ER  -