@misc{indiciae9e189edd0a9e,
  title = {Directed polymers with complex amplitudes.},
  author = {YC Zhang},
  year = {1989},
  doi = {10.1103/physrevlett.62.979},
  url = {https://pubmed.ncbi.nlm.nih.gov/10040392/},
  note = {Source identifier: 10040392}
}