Geodesic
On renormalization and the $\mathscr R$-operation for quantum electrodynamics in an external field
Teoretičeskaâ i matematičeskaâ fizika, Tome 34 (1978) no. 2, pp. 158-169 Cet article a éte moissonné depuis la source Math-Net.Ru

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For quantum electrodynamics in an external stationary field it is shown (without a series expansion in $U$) that the procedure of multiplicative renormalization with the same values of the renormalization constants as in the theory without external field makes all observable quantities finite. 
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     author = {M. A. Braun and A. N. Vasil'ev and A. L. Kitanin and Yu. M. Pis'mak},
     title = {On~renormalization and the $\mathscr R$-operation for quantum electrodynamics in an~external field},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {158--169},
     year = {1978},
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M. A. Braun; A. N. Vasil'ev; A. L. Kitanin; Yu. M. Pis'mak. On renormalization and the $\mathscr R$-operation for quantum electrodynamics in an external field. Teoretičeskaâ i matematičeskaâ fizika, Tome 34 (1978) no. 2, pp. 158-169. http://geodesic.mathdoc.fr/item/TMF_1978_34_2_a2/

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[2] E. S. Fradkin, Tr. FIAN SSSR, 29 (1965), 50

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[4] A. I. Akhiezer, V. B. Berestetskii, Kvantovaya elektrodinamika, «Nauka», 1969 | MR

[5] A. N. Vasilev, Funktsionalnye metody v kvantovoi teorii polya i statistike, LGU, 1976

[6] S. A. Anikin, O. I. Zavyalov, Preprint OIYaI D2-9259, Dubna, 1975