@article{oai:soar-ir.repo.nii.ac.jp:00012050,
 author = {BARROS, T. E. and MUKAI,  J},
 issue = {2},
 journal = {信州大学理学部紀要},
 month = {Mar},
 note = {Article, 信州大学理学部紀要 31(2): 55-58(1997)},
 pages = {55--58},
 title = {A classification of some S3-bundles},
 volume = {31},
 year = {1997}
}