@misc{indiciae9a29b6b77964,
  title = {Finite-lattice expansion for quantum spin chains.},
  author = {R Narayanan and RR Singh},
  year = {1990},
  doi = {10.1103/physrevb.42.10305},
  url = {https://pubmed.ncbi.nlm.nih.gov/9995291/},
  note = {Source identifier: 9995291}
}