@article{Perf:FT,
  title={Fuzzy transforms: Theory and applications},
  author={Perfilieva, Irina},
  journal={Fuzzy sets and systems},
  volume={157},
  number={8},
  pages={993--1023},
  year={2006},
  publisher={Elsevier}
}

@article{Perf:rec,
  title={Image Reconstruction by means of F-transform},
  author={Perfilieva, Irina and Vla{\v{s}}{\'a}nek, Pavel},
  journal={Knowledge-Based Systems},
  keywords = {myown},
  volume={70},
  pages={55--63},
  year={2014},
  doi = {10.1016/j.knosys.2014.04.007},
  publisher={Elsevier}
}