著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Mikhlin, Solomon G. and Feinstein, Amiel",The problem of the minimum of a quadratic functional,,Holden-Day,1965,Holden-Day series in mathematical physics,,,,https://cir.nii.ac.jp/crid/1130282270119243136