@misc{indiciaed5667291fac5,
  title = {P systems with deadlock.},
  author = {Daniela Besozzi and Claudio Ferretti and Giancarlo Mauri and Claudio Zandron},
  year = {2003},
  doi = {10.1016/s0303-2647(03)00033-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/12915268/},
  note = {Source identifier: 12915268}
}