@article{oai:kansai-u.repo.nii.ac.jp:00008081,
 author = {長久, 領壱},
 issue = {3-4},
 journal = {關西大學經済論集},
 month = {Oct},
 pages = {295--324},
 title = {KANNAI位相と選好の近似定理},
 volume = {47},
 year = {1997}
}