@article{oai:kindai.repo.nii.ac.jp:00016635,
 author = {中井,   英雄},
 issue = {2},
 journal = {商経学叢, Kinki University journal of business and economics},
 month = {Dec},
 note = {application/pdf},
 pages = {1--20},
 title = {下水道事業の料金決定問題},
 volume = {34},
 year = {1987},
 yomi = {ナカイ, ヒデオ}
}