@article{spira:1971:cot,
    author = {Spira, Robert},
     title = {Calculation of the gamma function by {S}tirling's formula},
   journal = {Math. Comp.},
    volume = {25},
      year = {1971},
    number = {114},
     pages = {317–322},
   mrclass = {65D20},
  mrnumber = {MR0295539 (45 \#4605)},
     links = {\URL[FullText]{http://links.jstor.org/sici?sici=0025-5718%28197104%2925%3A114%3C317%3ACOTGFB%3E2.0.CO%3B2-L}},
     zblno = {0221.65028}}