@Article{ 
  carleatom06,
  author = { Carriero, Michele and Leaci, Antonio and Tomarelli, Franco },
  title = { Euler Equations for  Blake & Zisserman Functional },
  journal = { Calc. Var. Partial Differential Equations },
  year = { 2008 },
  volume = { 32 },
  pages = { 81-110 },
  URL = { http://cvgmt.sns.it/paper/395/ },
  note = { cvgmt preprint}
}