nth-order HP filter function to FLF topology

Nisar A. Shah, Farooq Ahmad Khanday. nth-order HP filter function to FLF topology. I. J. Circuit Theory and Applications, 37(10):1075-1091, 2009. [doi]

@article{ShahK09-2,
  title = {nth-order HP filter function to FLF topology},
  author = {Nisar A. Shah and Farooq Ahmad Khanday},
  year = {2009},
  doi = {10.1002/cta.533},
  url = {https://doi.org/10.1002/cta.533},
  researchr = {https://researchr.org/publication/ShahK09-2},
  cites = {0},
  citedby = {0},
  journal = {I. J. Circuit Theory and Applications},
  volume = {37},
  number = {10},
  pages = {1075-1091},
}