@article{oai:kanazawa-u.repo.nii.ac.jp:00011224,
 author = {山下, 浩 and Yamashita, Hiroshi},
 issue = {01},
 journal = {The science reports of the Kanazawa University＝金沢大学理科報告},
 month = {Jun},
 pages = {1--5},
 title = {On Nilpotent Factors of Maximal Abelian Extensions of Algebraic Number Fields},
 volume = {28},
 year = {1983}
}