@Article{ 
  crufio01,
  author = { Cruz-Uribe, David and Fiorenza, Alberto },
  title = { The $A_\infty$ property for Young functions and weighted norm inequalities },
  journal = { Houston J. Math },
  year = { 2002 },
  volume = { 28 },
  number = { 1 },
  pages = { 169-182 },
  URL = { http://cvgmt.sns.it/paper/879/ },
  note = { cvgmt preprint}
}