@article{borsch-supan:1960:abf,
    author = {B\"orsch-Supan, W.},
     title = {Algorithm 21: {B}essel function for a set of integer orders},
   journal = {Comm. ACM},
    volume = {3},
      year = {1960},
    number = {11},
     pages = {600},
      note = {Includes Algol code, minimum accuracy 5S. For
              certification see same journal {\bf 8}(1965),
              p. 219.},
      issn = {0001-0782},
       doi = {10.1145/367436.367446}}