@Article{ 
  Erh13b,
  author = { Erhardt, André H. },
  title = { Existence of solutions to parabolic problems with nonstandard growth and irregular obstacles },
  journal = { Adv. Differential Equations },
  year = { 2016 },
  volume = { 21 },
  number = { 5-6 },
  pages = { 463–504 },
  URL = { http://cvgmt.sns.it/paper/2350/ },
  note = { cvgmt preprint}
}