Analytic properties of Feynman diagrams in quantum field theory - Todorov, Ivan T. (Oxford : Pergamon Press, 1971)
Translation of Analiticheskie svoistva diagramm Feinmana v kvantovoi teorii polia.
Bibliography : p. 140-149.
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Keywords: Feynman diagrams; Perturbation (Quantum dynamics); Dispersion relations; Particles (Nuclear physics)