@article{brent:1978:amf,
    author = {Brent, Richard P.},
     title = {Algorithm 524: {MP}, A {F}ortran multiple-precision arithmetic package [{A}1]},
   journal = {ACM Trans. Math. Software},
  fjournal = {Association for Computing Machinery. Transactions on
              Mathematical Software},
    volume = {4},
      year = {1978},
    number = {1},
     pages = {71–81},
      issn = {0098-3500},
       doi = {10.1145/355769.355776},
     links = {\URL[Remark]{http://doi.acm.org/10.1145/355853.355868}. \GAMSmodule{TOMS}{524}{8564}}}