Media type: E-Article Title: Integral Representation for the Forward Scattering Amplitude Contributor: Nakanishi, Noboru imprint: American Physical Society (APS), 1971 Published in: Physical Review D, 4 (1971) 8, Seite 2571-2573 Language: English DOI: 10.1103/physrevd.4.2571 ISSN: 0556-2821 Origination: Footnote: