TY - JOUR AU - A. A. Grib AU - B. A. Levitskii AU - V. M. Mostepanenko TI - Particle creation from vacuum by a~nonstationary gravitational field in the canonical formalism JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1974 SP - 59 EP - 75 VL - 19 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_1974_19_1_a5/ LA - ru ID - TMF_1974_19_1_a5 ER -