V. N. Popov, A. A. Kiselev, “Diagram technique in the general perturbation theory”, Dokl. Akad. Nauk SSSR, 1973, Volume 213, Number 1,Pages <nobr>70

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Dokl. Akad. Nauk SSSR, 1973 Volume 213, Number 1, Pages 70–73 (Mi dan37906)

PHYSICS

Diagram technique in the general perturbation theory

V. N. Popov^a, A. A. Kiselev^b

^a Leningrad Department of V. A. Steklov Institute of Mathematics, USSR Academy of Sciences
^b Leningrad State University

Presented: V. A. Fok
Received: 27.12.1972