@article{oai:ynu.repo.nii.ac.jp:00006507,
 author = {TSE, KAM-FOOK},
 issue = {2},
 journal = {Yokohama Mathematical Journal = 横濱市立大學紀要. D部門, 数学},
 month = {},
 note = {application/pdf},
 pages = {67--69},
 title = {ON A THEOREM OF NAGATOMO},
 volume = {18},
 year = {1970}
}