@misc{indiciae0ca6022b6ef3,
  title = {Soft and hard classification by reproducing kernel Hilbert space methods.},
  author = {Grace Wahba},
  year = {2002},
  doi = {10.1073/pnas.242574899},
  url = {https://pubmed.ncbi.nlm.nih.gov/12477931/},
  note = {Source identifier: 12477931}
}