@misc{1200676,
  author = {Sita Ramamurti and David Gilsinn},
  title = {Bicubic b-spline surface approximation of invariant tori:},
  year = {2010},
  month = {2010-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.IR.7731},
  language = {en},
}