@article{thacher:1963:ace,
    author = {{Thacher Jr.}, Henry C.},
     title = {Algorithm 165: Complete elliptic integrals},
   journal = {Comm. ACM},
    volume = {6},
      year = {1963},
    number = {4},
     pages = {163–164},
      note = {Includes Algol program, maximum accuracy 10D. For certification see
              same journal {\bf 6} (1963), pp.~166–167},
      issn = {0001-0782},
       doi = {10.1145/366349.366442}}