@article{AR10,
  title = "A note on the theory of positive induction, {$ID{*}1$}",
  author = "Bahareh Afshari and Michael Rathjen",
  year = "2010",
  journal = "Archive for Mathematical Logic",
  number = "2",
  pages = "275--281",
  volume = "49",
  doi = "10.1007/s00153-009-0168-9",
}