@Article{ 
  GiaMazMol12b,
  author = { Giacomelli, Lorenzo and Mazón, José M. and Moll, Salvador },
  title = { The 1-harmonic flow with values into a hyper-octant of the $N$-sphere },
  journal = { Analysis & PDE },
  year = { 2014 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/1981/ },
  note = { cvgmt preprint}
}