@article{oai:repository.dl.itc.u-tokyo.ac.jp:00040297,
 author = {Shima, Akiko},
 issue = {2},
 journal = {Journal of mathematical sciences, the University of Tokyo},
 month = {},
 note = {application/pdf},
 pages = {279--339},
 title = {On Simply Knotted Tori in $S^4$},
 volume = {4},
 year = {1997}
}