@misc{indiciaeed1ea86e97c4,
  title = {Effective potential analytic continuation approach for real time quantum correlation functions involving nonlinear operators.},
  author = {Atsushi Horikoshi and Kenichi Kinugawa},
  year = {2005},
  doi = {10.1063/1.1888576},
  url = {https://pubmed.ncbi.nlm.nih.gov/15910020/},
  note = {Source identifier: 15910020}
}