Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Izuyama Takeo,Theory of High Tc Superconductivity,Journal of the Physical Society of Japan,00319015,THE PHYSICAL SOCIETY OF JAPAN,1987,56,12,4247-4250,https://cir.nii.ac.jp/crid/1390001204188056448,https://doi.org/10.1143/jpsj.56.4247