@article{xu:1994:vpc,
    author = {Xu, Guo Liang and Li, Jia Kai},
     title = {Variable precision computation of elementary functions},
   journal = {J. Numer. Methods Comput. Appl.},
  fjournal = {Journal on Numerical Methods and Computer Applications. Shuzhi
              Jisuan yu Jisuanji Yingyong},
    volume = {15},
      year = {1994},
    number = {3},
     pages = {161–171},
      issn = {1000-3266},
   mrclass = {65D20 (65Y20)},
  mrnumber = {MR1357336 (96i:65013)},
  language = {Chinese},
      note = {English translation in Chinese J. Numer. Math. Appl. {\bf 17}
              (1995), no. 1, pp. 13–24},
     zblno = {0892.65007}}