@article{oai:ynu.repo.nii.ac.jp:00006611,
 author = {Takahashi, Moto-o},
 issue = {1},
 journal = {Yokohama Mathematical Journal = 横濱市立大學紀要. D部門, 数学},
 month = {},
 note = {application/pdf},
 pages = {91--100},
 title = {TWO KNOTS WITH THE SAME 2-FOLD BRANCHED COVERING SPACE},
 volume = {25},
 year = {1977}
}