@article{lorch:1964:mdz,
    author = {Lorch, Lee and Szego, Peter},
     title = {Monotonicity of the differences of zeros of {B}essel functions
              as a function of order},
   journal = {Proc. Amer. Math. Soc.},
  fjournal = {Proceedings of the American Mathematical Society},
    volume = {15},
      year = {1964},
    number = {1},
     pages = {91–96},
      issn = {0002-9939},
   mrclass = {33.25},
  mrnumber = {MR0158106 (28 \#1332)},
mrreviewer = {F. W. J. Olver},
     links = {\URL[FullText]{http://links.jstor.org/sici?sici=0002-9939%28196402%2915%3A1%3C91%3AMOTDOZ%3E2.0.CO%3B2-T}},
     zblno = {0126.08603}}