@article{article,
  author = {Bert Rust},
  title = {Fitting Nature{\textquoteright}s Basic Functions Part IV: The Variable Projection Algorithm},
  year = {2003},
  number = {5 No. 2},
  month = {2003-04-01},
  publisher = {Computing in Science \& Engineering},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=150866},
  language = {en},
}