@Article{ 
  PalDiC12,
  author = { Di Castro, Agnese and Palatucci, Giampiero },
  title = { Nonlinear parabolic problems with lower order terms and related integral estimates },
  journal = { Nonlinear Anal. },
  year = { 2012 },
  volume = { 75 },
  pages = { 4177-4197 },
  URL = { http://cvgmt.sns.it/paper/1804/ },
  note = { cvgmt preprint}
}