@book{wilf:1994:gf,
    author = {Wilf, Herbert S.},
     title = {generatingfunctionology},
   edition = {2nd},
      note = {A 3rd edition was published in 2006 by A.K. Peters, Ltd., Wellesley, MA.},
 publisher = {Academic Press Inc.},
   address = {Boston, MA},
      year = {1994},
     pages = {x+228},
      isbn = {0-12-751956-4},
   mrclass = {05A15 (05-02)},
  mrnumber = {MR1277813 (95a:05002)},
     zblno = {0831.05001}}