@article{Corless:1996:LWF,
author = {Corless, R. M. and Gonnet, G. H. and Hare, D. E. G. and
Jeffrey, D. J. and Knuth, D. E.},
title = {On the {L}ambert {$W$} function},
journal = {Adv. Comput. Math.},
fjournal = {Advances in Computational Mathematics},
volume = {5},
year = {1996},
number = {4},
pages = {329–359},
issn = {1019-7168},
mrclass = {33E20},
mrnumber = {MR1414285 (98j:33015)},
zblno = {0863.65008}}