@article{olver:1991:ueib,
    author = {Olver, F. W. J.},
     title = {\NOOP{A}Uniform, exponentially improved, asymptotic expansions for the
              generalized exponential integral},
   journal = {SIAM J. Math. Anal.},
  fjournal = {SIAM Journal on Mathematical Analysis},
    volume = {22},
      year = {1991},
    number = {5},
     pages = {1460–1474},
      issn = {0036-1410},
     coden = {SJMAAH},
   mrclass = {41A60 (33B20)},
  mrnumber = {MR1112520 (92g:41034)},
mrreviewer = {Hans-J{\"u}rgen Glaeske},
       doi = {10.1137/0522094},
     zblno = {0743.41025}}