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 "Fraenkel, Abraham Adolf","Extension of the number-concept : groups and fields, rational, real, complex, hypercomplex numbers",,"Scripta Mathematica, Yeshiva University",1964,Problems and methods in modern mathematics,,,,https://cir.nii.ac.jp/crid/1130282271762368640