@article{buckholtz:1963:cac,
    author = {Buckholtz, J. D.},
     title = {Concerning an approximation of {C}opson},
   journal = {Proc. Amer. Math. Soc.},
    volume = {14},
      year = {1963},
    number = {4},
     pages = {564–568},
   mrclass = {41.50},
  mrnumber = {MR0151770 (27 \#1754)},
mrreviewer = {L. Carlitz},
     links = {\URL[FullText]{http://links.jstor.org/sici?sici=0002-9939%28196308%2914%3A4%3C564%3ACAAOC%3E2.0.CO%3B2-I}},
     zblno = {0116.05103}}