@article{oai:repository.dl.itc.u-tokyo.ac.jp:00040375,
 author = {Nakamura, Hiroaki},
 issue = {1},
 journal = {Journal of mathematical sciences, the University of Tokyo},
 month = {},
 note = {application/pdf},
 pages = {71--136},
 title = {Galois rigidity of pure sphere braid groups and profinite calculus},
 volume = {1},
 year = {1994}
}