@Article{ 
  EleHarLuk13,
  author = { Eleuteri, Michela and Harjulehto, Petteri and Lukkari, Teemu },
  title = { Global regularity and stability of solutions to obstacle problems with nonstandard growth },
  journal = { Rev. Mat. Complut. },
  year = { 2013 },
  volume = { 26 },
  number = { 1 },
  pages = {  147-181 },
  URL = { http://cvgmt.sns.it/paper/2301/ },
  note = { cvgmt preprint}
}