@book{0030811,
  title = {Approximation Theory and Approximation Practice},
  author = {Lloyd N. Trefethen},
  year = {2012},
  url = {http://www.ec-securehost.com/SIAM/OT128.html},
  researchr = {https://researchr.org/publication/0030811},
  cites = {0},
  citedby = {0},
  publisher = {SIAM},
  isbn = {978-1-611-97239-9},
}