@article{balogh:1967:aem,
    author = {Balogh, Charles B.},
     title = {Asymptotic expansions of the modified {B}essel function of the
              third kind of imaginary order},
   journal = {SIAM J. Appl. Math.},
  fjournal = {SIAM Journal on Applied Mathematics},
    volume = {15},
      year = {1967},
     pages = {1315–1323},
      issn = {0036-1399},
   mrclass = {33.25},
  mrnumber = {MR0222354 (36 \#5406)},
mrreviewer = {F. W. J. Olver},
       doi = {10.1137/0115114},
     zblno = {0157.12303}}