@article{flajolet:1990:sag,
    author = {Flajolet, Philippe and Odlyzko, Andrew},
     title = {Singularity analysis of generating functions},
   journal = {SIAM J. Discrete Math.},
  fjournal = {SIAM Journal on Discrete Mathematics},
    volume = {3},
      year = {1990},
    number = {2},
     pages = {216–240},
      issn = {0895-4801},
     coden = {SJDMEC},
   mrclass = {05A15 (30E20 40E05 41A60)},
  mrnumber = {MR1039294 (90m:05012)},
mrreviewer = {E. Rodney Canfield},
       doi = {10.1137/0403019},
     zblno = {0712.05004}}