@article{oai:ehime-u.repo.nii.ac.jp:00002122,
 author = {OKAMOTO, Toshiaki},
 issue = {2},
 journal = {愛媛大学教育学部紀要. 第III部, 自然科学},
 month = {Feb},
 pages = {73--86},
 title = {A Table of Congruences on Units in Real Biquadratic Fields with Discriminant ≦ 10,000},
 volume = {14},
 year = {1994}
}