@article{gautschi:1965:lfa,
    author = {Gautschi, W.},
     title = {Algorithm 259: {L}egendre functions for arguments larger than one},
   journal = {Comm. ACM},
  fjournal = {Association for Computing Machinery. Communications},
    volume = {8},
      year = {1965},
    number = {8},
     pages = {488–492},
      note = {Variable-precision Algol. For remark see ACM Trans. Math. Software
             {\bf 3}(2) (1977), p. 204–205},
      issn = {0001-0782},
       doi = {10.1145/365474.355591}}