Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
S. Takeno,Self-energy and T-matrix in many-impurity problems in solids,Physics Letters A,0375-9601,Elsevier BV,1969-02-01,28,,641-642,https://cir.nii.ac.jp/crid/1874242817840093440,https://doi.org/10.1016/0375-9601(69)90482-4