@article{10_4171_dm_260,
     author = {Christian Ausoni and John Rognes and Bj{\o}rn Ian Dundas},
     title = {Divisibility of the {Dirac} magnetic monopole as a two-vector bundle over the three-sphere},
     journal = {Documenta mathematica},
     pages = {795--801},
     year = {2008},
     volume = {13},
     doi = {10.4171/dm/260},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/260/}
}