@Article{ 
  PriAns13,
  author = { Ansini, Nadia and Prinari, Francesca },
  title = { Power-law approximation under differential constraints },
  journal = { SIAM J MATH ANAL },
  year = { 2014 },
  volume = { 46 },
  number = { 2 },
  pages = { 1085-1115 },
  URL = { http://cvgmt.sns.it/paper/2313/ },
  note = { cvgmt preprint}
}