@article{Romao:20029t,
  author = "Romao, Nuno M.",
  title = "{First-order Bogomolny vortices on a sphere}",
  doi = "10.22323/1.008.0043",
  journal = "PoS",
  year = 2002,
  volume = "unesp2002",
  pages = "043"
}