Geodesic
Bogolyubov transformation in the strong coupling theory. II
Teoretičeskaâ i matematičeskaâ fizika, Tome 11 (1972) no. 3, pp. 317-330 
E. P. Solodovnikova; A. N. Tavkhelidze; O. A. Khrustalev. Bogolyubov transformation in the strong coupling theory. II. Teoretičeskaâ i matematičeskaâ fizika, Tome 11 (1972) no. 3, pp. 317-330. http://geodesic.mathdoc.fr/item/TMF_1972_11_3_a4/
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Voir la notice de l'article provenant de la source Math-Net.Ru

The Bogolyubov transformation considered in [1–4] is generalized to the case of a strong particle-field interaction that is invariant under an arbitrary continuous group of transformations.

[1] N. N. Bogolyubov, Ukr. matem. zh., 2 (1950), 3 ; Избранные труды, т. 2, Киев, 1970 | MR | MR

[2] S. V. Tyablikov, ZhETF, 21 (1956), 377 | MR

[3] E. P. Solodovnikova, A. N. Tavkhelidze, O. A. Khrustalev, TMF, 10 (1972), 162

[4] E. P. Solodovnikova, A. N. Tavkhelidze, O. A. Khrustalev, Preprint OIYaI, E2-5976, 1971

[5] L. I. Eizenkhart, Nepreryvnye gruppy preobrazovanii, IL, 1947

[6] B. M. Stepanov, Diplomnaya rabota, Kievskii gosuniversitet, 1950

[7] G. Wentzel, Helv. Phys. Acta, 13 (1940), 269 | Zbl

[8] W. Pauli, S. M. Dancoff, Phys. Rev., 62 (1942), 85 | DOI | MR | Zbl