@article{gautschi:1974:ahm,
    author = {Gautschi, Walter},
     title = {A harmonic mean inequality for the gamma function},
   journal = {SIAM J. Math. Anal.},
    volume = {5},
      year = {1974},
    number = {2},
     pages = {278–281},
   mrclass = {33A15},
  mrnumber = {MR0350077 (50 \#2570)},
mrreviewer = {S. Saran},
       doi = {10.1137/0505030},
     zblno = {0239.33003}}