@misc{indiciae026cea0642ce,
  title = {Simultaneous rational approximations in the study of dynamical systems.},
  author = {Sh Kim and S Ostlund},
  year = {1986},
  doi = {10.1103/physreva.34.3426},
  url = {https://pubmed.ncbi.nlm.nih.gov/9897661/},
  note = {Source identifier: 9897661}
}