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 "Lützen, Jesper","Around Caspar Wessel and the geometric representation of complex numbers : proceedings of the Wessel Symposium at the Royal Danish Academy of Sciences and Letters, Copenhagen, August 11-15 1998",,Det Kongelige Danske Videnskabernes Selskab,2001,Matematisk-fysiske Meddelelser,,8778762367,,https://cir.nii.ac.jp/crid/1130000794273866240