@article{NIST:DLMF,
  title = {{{NIST Digital Library}} of {{Mathematical Functions}}},
  url = {http://dlmf.nist.gov/},
  key = {DLMF},
  note = {F.~W.~J. Olver, A.~B. Olde Daalhuis, D.~W. Lozier, B.~I. Schneider, R.~F. Boisvert, C.~W. Clark, B.~R. Miller and B.~V. Saunders, eds.}
}

@book{olver_nist_2010,
  edition = {1 Pap/Cdr},
  title = {{{NIST}} Handbook of Mathematical Functions},
  isbn = {978-0-521-14063-8},
  publisher = {{Cambridge University Press}},
  author = {Olver, Frank W. J. and Lozier, Daniel W. and Boisvert, Ronald F. and Clark, Charles W.},
  year = {2010},
  file = {/home/mmn/.zotero/zotero/w4aj0ekp.default/zotero/storage/ZJ5LBQ8W/Olver ym. - 2010 - NIST handbook of mathematical functions.pdf}
}