@Article{ 
  mugpis07,
  author = { Mugnai, Dimitri and Pistoia, Angela },
  title = { On the exact number of bifurcation branches in a square and in a cube },
  journal = { Communications on Applied Nonlinear Analysis },
  year = { 2007 },
  volume = { 14 },
  number = { 2 },
  pages = { 79--100 },
  URL = { http://cvgmt.sns.it/paper/674/ },
  note = { cvgmt preprint}
}