@article{zhang:1996:eba,
    author = {Zhang, J. M. and Li, X. C. and Qu, C. K.},
     title = {Error bounds for asymptotic solutions of second-order linear
              difference equations},
   journal = {J. Comput. Appl. Math.},
  fjournal = {Journal of Computational and Applied Mathematics},
    volume = {71},
      year = {1996},
    number = {2},
     pages = {191–212},
      issn = {0377-0427},
     coden = {JCAMDI},
   mrclass = {39A10},
  mrnumber = {MR1399891 (97g:39006)},
       doi = {10.1016/0377-0427(95)00218-9},
     zblno = {0855.39010}}