Media type: E-Article Title: Resolution of the Hierarchy of Many-Body Green's Functions Contributor: Fujita, Shigeji imprint: Physical Society of Japan, 1969 Published in: Journal of the Physical Society of Japan Language: English DOI: 10.1143/jpsj.27.1096 ISSN: 0031-9015; 1347-4073 Keywords: General Physics and Astronomy Origination: Footnote: