@article{TMF_1989_79_2_a5,
     author = {I. G. Avramidi},
     title = {Background field calculations in~quantum field theory (vacuum polarization)},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {219--231},
     publisher = {mathdoc},
     volume = {79},
     number = {2},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1989_79_2_a5/}
}