@article{gottlieb:1985:ezc,
    author = {Gottlieb, H. P. W.},
     title = {On the exceptional zeros of cross-products of derivatives of
              spherical {B}essel functions},
   journal = {Z. Angew. Math. Phys.},
  fjournal = {Zeitschrift f\"ur Angewandte Mathematik und Physik. ZAMP.
              Journal of Applied Mathematics and Physics. Journal de
              Math\'ematiques et de Physique Appliqu\'ees},
    volume = {36},
      year = {1985},
    number = {3},
     pages = {491–494},
      issn = {0044-2275},
     coden = {AZMPA8},
   mrclass = {33A40},
  mrnumber = {MR797241 (86m:33008)},
mrreviewer = {B. R. Bhonsle},
       doi = {10.1007/BF00944640},
     zblno = {0588.33005}}