@article{oai:kwansei.repo.nii.ac.jp:00018550,
 author = {土井, 教之 and Doi, Noriyuki},
 issue = {3},
 journal = {経済学論究},
 month = {Nov},
 pages = {51--84},
 title = {産業組織分析における二つの接近},
 volume = {36},
 year = {1982}
}