@article{oai:nufs.repo.nii.ac.jp:00000567,
 author = {久保, 徳次郎},
 issue = {35},
 journal = {論叢, The Journal of Nagasaki Junior College of Foreign Languages},
 month = {Jul},
 pages = {57--67},
 title = {オプション取引についての一考察},
 year = {1990}
}