@InBook{Vitter90,
  author =       "Jeffrey Scott Vitter and Philippe Flajolet",
  title =        "Average-Case Analysis of Algorithms and Data
                 Structures",
  booktitle =    "Handbook of Theoretical Computer Science",
  editor =       "J. van Leeuwen",
  publisher =    "Elsevier Science Publishers B.V.",
  note =         "ISBN 0-444-88075-5",
  chapter =      "9",
  year =         "1990",
  keywords =     "ALGORITHM, TREE",
}		
		  
@Book{Graham:CM94,
  author =       "Ronald L. Graham and Donald E. Knuth and Oren
                 Patashnik",
  title =        "Concrete Mathematics",
  publisher =    "Ad{\-d}i{\-s}on-Wes{\-l}ey",
  address =      "Reading, MA, USA",
  edition =      "Second",
  pages =        "xiii + 657",
  year =         "1994",
  ISBN =         "0-201-55802-5",
  LCCN =         "QA39.2 .G733 1994",
  bibdate =      "Wed Jul 6 14:39:36 1994",
  libnote =      "Not yet in my library.",
}

@InProceedings{Devitt:1993:COT,
  author =       "J. S. Devitt",
  title =        "Combinatorial Objects and their Generating Functions:
                 {A} {Maple} Class Room Environment",
  editor =       "Thomas Lee",
  booktitle =    "Mathematical Computation with {Maple V}: Ideas and
                 Applications: Proceedings of the {Maple Summer Workshop
                 and Symposium, University of Michigan, Ann Arbor},
                 {June} 28--30, 1993",
  publisher =    "Birk\-h{\"{a}}user",
  address =      "Boston, MA, USA",
  pages =        "20--26",
  year =         "1993",
  bibdate =      "Thu Apr 11 17:54:41 MDT 1996",
  acknowledgement = ack-nhfb,
}

@Article{Salvy:1994:GMP,
  author =       "Bruno Salvy and Paul Zimmermann",
  title =        "{GFUN}: {A} {Maple} package for the manipulation of
                 generating and holonomic functions in one variable",
  journal =      "ACM Transactions on Mathematical Software",
  volume =       "20",
  number =       "2",
  pages =        "163--177",
  month =        jun,
  year =         "1994",
  coden =        "ACMSCU",
  ISSN =         "0098-3500",
  bibdate =      "Wed Dec 18 11:34:40 MST 1996",
  abstract =     "We describe the GFUN package which contains functions
                 for manipulating sequences, linear recurrences, or
                 differential equations and generating functions of
                 various types. This article is intended both as an
                 elementary introduction to the subject and as a
                 reference manual for the package.",
  acknowledgement = ack-nhfb,
  affiliation =  "INRIA",
  affiliationaddress = "Le Chesnay, Fr",
  classification = "721.1; 723.1; 723.2; 921.1; 921.2; 921.4",
  journalabr =   "ACM Trans Math Software",
  keywords =     "Algorithms; algorithms; Binary sequences; Boolean
                 algebra; Combinatorial mathematics; Computer algebra;
                 computer algebra; Data structures; Differential
                 equations; Function evaluation; Generating functions;
                 generating functions; Holonomic functions; linear
                 differential equations; linear recurrences;
                 Recurrences; Software package GFUN",
  subject =      "G.2.1 [Discrete Mathematics]:
                 Combinatorics--generating functions; recurrences and
                 difference equations; I.1.2 [Algebraic Manipulation]:
                 Algorithms",
}