Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Goto Tetsuo,The degenerate vacuum and the infinite component wave equation,Progress of theoretical physics = 理論物理学の進歩,0033068X,Kyoto : Publication Office,1967-11,38,5,1168-1175,https://cir.nii.ac.jp/crid/1523106604547668736,https://doi.org/10.1143/ptp.38.1168