On the Lambert W Function. Corless, R. M., Gonnet, G. H., Hare, D. E. G., Jeffrey, D. J., & Knuth, D. E. Adv. Comput. Math, 5:329, 1996.
bibtex   
@article{COR96,
  added-at = {2009-03-03T17:19:04.000+0100},
  author = {Corless, R. M. and Gonnet, G. H. and Hare, D. E. G. and Jeffrey, D. J. and Knuth, D. E.},
  biburl = {https://www.bibsonomy.org/bibtex/2e4fecbb596f312f20f8269f3974397a8/bronckobuster},
  interhash = {c9a48c84f6a3704f748f9f389bcdc3db},
  intrahash = {e4fecbb596f312f20f8269f3974397a8},
  journal = {Adv. Comput. Math},
  keywords = {imported},
  nota = {PH:},
  pages = 329,
  timestamp = {2009-03-03T17:19:13.000+0100},
  title = {On the {L}ambert {W} Function},
  volume = 5,
  year = 1996
}

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