@Article{ 
  tiwlmigmo00,
  author = { Iwaniec, Tadeusz and Migliaccio, Lucia and Moscariello, Gioconda and Passarelli di Napoli, Antonia },
  title = { A priori estimates for nonlinear elliptic complexes },
  journal = { Advances in Differential Equations },
  year = { 2003 },
  volume = { 8 },
  number = { 5 },
  pages = { 513-546 },
  URL = { http://cvgmt.sns.it/paper/648/ },
  note = { cvgmt preprint}
}