@Article{ 
  maigia08,
  author = { Mainini, Edoardo and Mola, Gianluca },
  title = { Exponential and polynomial decay for first order linear Volterra evolution equations },
  journal = { Quart. Appl. Math. },
  year = { 2009 },
  volume = { 67 },
  pages = { 93-111 },
  URL = { http://cvgmt.sns.it/paper/812/ },
  note = { cvgmt preprint}
}