@Article{ 
  CarFioTen16,
  author = { Carlone, Raffaele and Fiorenza, Alberto and Tentarelli, Lorenzo },
  title = { The action of Volterra integral operators with highly singular kernels  on Hölder continuous, Lebesgue and Sobolev functions },
  journal = { J. Funct. Anal. },
  year = { 2017 },
  doi = { 10.1016/j.jfa.2017.04.013 },
  volume = { 273 },
  number = { 3 },
  pages = { 1258-1294 },
  URL = { http://cvgmt.sns.it/paper/5623/ },
  note = { cvgmt preprint}
}