TY - JOUR AU - A. A. Grib AU - V. M. Mostepanenko AU - V. M. Frolov TI - Creation and scattering of particles by a~nonstationary electromagnetic field in the canonical formalism JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1976 SP - 221 EP - 233 VL - 26 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_1976_26_2_a7/ LA - ru ID - TMF_1976_26_2_a7 ER -