@article{kheyfits:2004:crl,
    author = {Kheyfits, Alexander I.},
     title = {Closed-form representations of the {L}ambert {$W$} function},
   journal = {Fract. Calc. Appl. Anal.},
  fjournal = {Fractional Calculus \& Applied Analysis. An International
              Journal for Theory and Applications},
    volume = {7},
      year = {2004},
    number = {2},
     pages = {177–190},
      issn = {1311-0454},
   mrclass = {33B99 (30D05 33F05)},
  mrnumber = {MR2077477 (2005e:33001)},
mrreviewer = {Lewis H. Ryder},
     zblno = {1077.33036}}