@article{boyer:1969:czs,
    author = {Boyer, Timothy H.},
     title = {Concerning the zeros of some functions related to {B}essel
              functions},
   journal = {J. Mathematical Phys.},
  fjournal = {Journal of Mathematical Physics},
    volume = {10},
      year = {1969},
    number = {9},
     pages = {1729–1744},
   mrclass = {33.25 (81.00)},
  mrnumber = {MR0257423 (41 \#2074)},
mrreviewer = {C. V. Coffman},
       doi = {10.1063/1.1665021},
     zblno = {0187.01402}}