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
"Jangfeldt, Bengt and Kruus, Rein","Igor' Severjanin : letters to Augusta Baranova, 1916-1938",,Almqvist & Wiksell International,1988,Acta Universitatis Stockholmiensis,,9122012044,,https://cir.nii.ac.jp/crid/1130000794483522304