@article{le:1985:edf,
    author = {Le, D.},
     title = {An efficient derivative-free method for solving nonlinear equations},
   journal = {ACM Trans. Math. Software},
  fjournal = {Association for Computing Machinery. Transactions on Mathematical Software},
    volume = {11},
      year = {1985},
    number = {3},
     pages = {250–262},
      note = {Corrigendum, {\it ibid}. {\bf 15}(3) (1989), 287},
      issn = {0098-3500},
   mrclass = {65H05},
  mrnumber = {MR0814340 (87d:65057)},
mrreviewer = {T. Feagin},
       doi = {10.1145/214408.214416},
     zblno = {0581.65033}}