@article{swanson:1967:eae,
    author = {Swanson, C. A. and Headley, V. B.},
     title = {An extension of {A}iry's equation},
   journal = {SIAM J. Appl. Math.},
    volume = {15},
      year = {1967},
    number = {6},
     pages = {1400–1412},
   mrclass = {33.45 (34.00)},
  mrnumber = {MR0224883 (37 \#482)},
mrreviewer = {F. W. J. Olver},
       doi = {10.1137/0115123},
     zblno = {0161.27705}}