@article{oai:rikkyo.repo.nii.ac.jp:00018111,
 author = {佐藤, 有史},
 journal = {立教大学経済研究所年報, Annual report},
 month = {Jul},
 note = {P(論文)},
 title = {巻頭言},
 volume = {2019},
 year = {2019}
}