ArticleQuantum ElectrodynamicsA. I. AkhiezerLehigh University·V. B. BerestetskiiLehigh University·R. A. ShafferLehigh University·1965·enABIABI:AkademIndex/openalex/2026.other.263362CiteAbstractFirst PageIdentifiersDOI10.1119/1.1971111Citations and referencesCited by 50 referencesMetrics — AkademScholar