takada.issp.u-tokyo.ac.jptakada.issp.u-tokyo.ac.jp/Walter_Kohn.pdfLectures in Theoretical Physics,...
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takada.issp.u-tokyo.ac.jptakada.issp.u-tokyo.ac.jp/Walter_Kohn.pdfLectures in Theoretical Physics, organized by the late Professor Ryogo Kubo. From time to time Walter told me how