@article{das_saiki_sander_yorke_2017, 
  title={Quantitative quasiperiodicity}, 
  volume={30}, 
  DOI={10.1088/1361-6544/aa84c2}, 
  number={11}, 
  publisher={IOP Publishing}, 
  author={Das and Saiki and Sander and Yorke}, 
  year={2017}, 
  month={Oct}
  }