@article{gatteschi:1987:niz,
    author = {Gatteschi, Luigi},
     title = {New inequalities for the zeros of {J}acobi polynomials},
   journal = {SIAM J. Math. Anal.},
  fjournal = {SIAM Journal on Mathematical Analysis},
    volume = {18},
      year = {1987},
    number = {6},
     pages = {1549–1562},
      issn = {0036-1410},
     coden = {SJMAAH},
   mrclass = {33A65 (26C10 34C10)},
  mrnumber = {MR0911648 (88m:33021)},
mrreviewer = {E. Rieksti{\c{n}}{\v{s}}},
       doi = {10.1137/0518111},
     zblno = {0639.33012}}