@misc{indiciaee9608b193951,
  title = {Finding a nonlinear lattice with improved integrability using Lie transform perturbation theory.},
  author = {Kiran G Sonnad and John R Cary},
  year = {2004},
  doi = {10.1103/physreve.69.056501},
  url = {https://pubmed.ncbi.nlm.nih.gov/15244955/},
  note = {Source identifier: 15244955}
}