@article{oai:kwansei.repo.nii.ac.jp:00019016,
 author = {地道, 正行 and Jimichi, Masayuki},
 issue = {1},
 journal = {経済学論究},
 month = {Jun},
 pages = {137--162},
 title = {相対効率にもとづくリッジ係数の選択アルゴリズム},
 volume = {66},
 year = {2012}
}