@article{17072,
  author       = {{Feng, Yuanhua and Gries, Thomas and Fritz, Marlon}},
  issn         = {{1048-5252}},
  journal      = {{Journal of Nonparametric Statistics}},
  pages        = {{510--533}},
  title        = {{{Data-driven local polynomial for the trend and its derivatives in economic time series}}},
  doi          = {{10.1080/10485252.2020.1759598}},
  year         = {{2020}},
}

@article{17064,
  author       = {{Feng, Yuanhua and Gries, Thomas and Fritz, Marlon}},
  issn         = {{1048-5252}},
  journal      = {{Journal of Nonparametric Statistics}},
  pages        = {{510--533}},
  title        = {{{Data-driven local polynomial for the trend and its derivatives in economic time series}}},
  doi          = {{10.1080/10485252.2020.1759598}},
  year         = {{2020}},
}

@article{4613,
  author       = {{Feng, Yuanhua}},
  issn         = {{1048-5252}},
  journal      = {{Journal of Nonparametric Statistics}},
  number       = {{2}},
  pages        = {{63--76}},
  publisher    = {{Informa UK Limited}},
  title        = {{{On the asymptotic variance in nonparametric regression with fractional time-series errors}}},
  doi          = {{10.1080/10485250701381737}},
  volume       = {{19}},
  year         = {{2007}},
}