Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Satio Hayakawa,11 Sin-Itiro Tomonaga and His Contributions to Quantum Electrodynamics and High Energy Physics : II. Tomonaga and Tokyo Group :,Progress of Theoretical Physics Supplement,0375-9687,Oxford University Press (OUP),1991,105,,157-167,https://cir.nii.ac.jp/crid/1360003446877235072,https://doi.org/10.1143/ptps.105.157