@Misc{ 
  mar10a,
  author = { Martinazzi, Luca },
  title = { A note on $n$-axially symmetric harmonic maps from $B^3$ to $S^2$
  minimizing the relaxed energy },
  journal = { Journal Funct. Anal. },
  year = { 2011 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/1213/ },
  note = { cvgmt preprint}
}