@misc{indiciae329ccdd32d25,
  title = {Path integrals as discrete sums.},
  author = {K Bitar and NN Khuri and HC Ren},
  year = {1991},
  doi = {10.1103/physrevlett.67.781},
  url = {https://pubmed.ncbi.nlm.nih.gov/10044987/},
  note = {Source identifier: 10044987}
}