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 "Afriat, S. N.",The construction of utility functions from expenditure data,,Cowles Foundation for Research in Economics at Yale University,1967,Cowles Foundation paper,,,,https://cir.nii.ac.jp/crid/1130282271075508864