@article{wu:1982:asi,
    author = {Wu, Chuan Yi},
     title = {A series of inequalities for {M}ills's ratio},
   journal = {Acta Math. Sinica},
  fjournal = {Acta Mathematica Sinica. Shuxue Xuebao},
    volume = {25},
      year = {1982},
    number = {6},
     pages = {660–670},
     coden = {SHHPBO},
   mrclass = {62E15 (15A42)},
  mrnumber = {MR0694575 (84g:62025)},
mrreviewer = {J. S. Huang},
     zblno = {0538.62016}}