%0 Journal Article %A A. A. Grib %A V. M. Mostepanenko %A V. M. Frolov %T Creation and scattering of particles by a~nonstationary electromagnetic field in the canonical formalism %J Teoretičeskaâ i matematičeskaâ fizika %D 1976 %P 221-233 %V 26 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1976_26_2_a7/ %G ru %F TMF_1976_26_2_a7