@article{gil:2004:amb,
    author = {Gil, Amparo and Segura, Javier and Temme, Nico M.},
     title = {Algorithm 831: Modified {B}essel functions of imaginary order
              and positive argument},
   journal = {ACM Trans. Math. Software},
  fjournal = {Association for Computing Machinery. Transactions on
              Mathematical Software},
    volume = {30},
      year = {2004},
    number = {2},
     pages = {159–164},
      issn = {0098-3500},
     coden = {ACMSCU},
   mrclass = {65D20 (33C10 33F05)},
  mrnumber = {MR2075979},
       doi = {10.1145/992200.992204},
     links = {\GAMSmodule{TOMS}{831}{13921}},
     zblno = {1072.65025}}