@article{oai:repository.dl.itc.u-tokyo.ac.jp:00040156,
 author = {Montesinos-Amilibia, Jose Maria},
 issue = {4},
 journal = {Journal of mathematical sciences, the University of Tokyo},
 month = {},
 note = {application/pdf},
 pages = {631--660},
 title = {Embedding Strings in the Unknot},
 volume = {10},
 year = {2003}
}