@misc{indiciaee14407c3da7c,
  title = {Constraints on operator ordering from third quantization},
  author = {Ohkuwa, Yoshiaki and Faizal, Mir and Ezawa, Yasuo},
  year = {2016},
  doi = {10.1016/j.aop.2015.11.009},
  url = {https://www.osti.gov/biblio/22560294},
  note = {Source identifier: 22560294}
}