@misc{indiciaeecfb88ab17f2,
  title = {Quantum Zeno subspaces.},
  author = {P Facchi and S Pascazio},
  year = {2002},
  doi = {10.1103/physrevlett.89.080401},
  url = {https://pubmed.ncbi.nlm.nih.gov/12190448/},
  note = {Source identifier: 12190448}
}