@Article{ 
  CruDiFFio17,
  author = { Cruz-Uribe, David and Di Fratta, Giovanni and Fiorenza, Alberto },
  title = { Modular inequalities for the maximal operator in variable Lebesgue  spaces },
  journal = { Nonlinear Analysis },
  year = { 2017 },
  doi = { 10.1016/j.na.2018.01.007 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/5117/ },
  note = { cvgmt preprint}
}